Back to destinations
AI-generated illustrative scene; not a photograph of this destination
AI-generated
Madagascar

Antsiranana weather & best time to visit

Sun, sea & sand

Antsiranana at a glance

Best time
Apr – Nov
Warmest month
Nov · 33°
Warmest sea
Mar · 28.5°
Sunshine a year
2,780 h
Rain a year
875 mm
Climate
Tropical
Time zone
UTC+3
Elevation
60 m

Climate in Antsiranana

Antsiranana has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. November is the warmest month with average highs of 33 °C, while July is the coolest at 30 °C. With around 2,780 hours of sunshine a year, Antsiranana is sunny; October is the sunniest month with 9.3 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Antsiranana

The best time to visit Antsiranana is from April to November. For a beach holiday – sea from 21 °C, warm and mostly dry – go from April to November. The rainy season is from December to March; the wettest month is January with 268 mm.

Antsiranana through the seasons

How the weather changes over the seasons, with averages for each.

Antsiranana in the dry season

Apr – Nov

95

Excellent

  • 30–33 °C by day
  • Sea 26 °C
  • 8.4 h of sun a day
  • 19 rainy days in all

Antsiranana in the rainy season

Dec – Mar

67

Good

  • 31–33 °C by day
  • Sea 28 °C
  • 6.0 h of sun a day
  • 83 rainy days in all

Which month for what?

Beach & swimming

Apr – Nov

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

No month

15–28 °C and not too much rain

Rainy months

Dec – Mar

Rainy season or more than 12 rainy days

Find your perfect month

Tell us what you like and we rate every month in Antsiranana for you.

Swimming in the sea
Sunshine
Little rain

Your best months: June – August

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

96

Holiday weather in October

Excellent

Best time to visit: April – November

Good forBeach & swimming

A typical day in October

  1. Morning, 08:00: about 27°
  2. Midday, 13:00: about 32°
  3. Afternoon, 16:00: about 30°
  4. Evening, 20:00: about 26°
  5. Night, 23:00: about 24°

05:1817:39

Warm enough for a T-shirt in the evening.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 05:05–05:46 · evening 17:11–17:52
Blue hour
Morning 04:56–05:05 · evening 17:52–18:01

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Antsiranana compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs rise from about 31° at the start of the month to 32° at the end. The sea warms from 25° to 26°. The days get 0.3 h longer.

Early or late October?
October1 Oct31 Oct
Daytime high31°32°
Night-time low21°23°
Sea25°26°
Daylight12.2 h12.5 h

What is the weather like in Antsiranana in October?

In October, Antsiranana is hot: daytime highs average 32 °C, and even at night it stays warm at around 22 °C. The sea averages 25.4 °C – pleasant for swimming. With around 9.3 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Antsiranana.

More details for October

Daylight
12 h 21 min05:18 – 17:39
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
25 daysdew point 18 °C or moreAll months
Wind
27 km/haverage daily peakAll months
Cloud cover
27 %on averageAll months
Hot days
30 days30 °C or moreAll months
Time zone
UTC+3offset from UTC

How the score comes together

  • Temperatureweight 35 %90 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent

Compare two months in Antsiranana

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

October and September bring similar holiday weather to Antsiranana (score 96 and 100). In September, days are 1 °C cooler than in October. The sea is 1 °C cooler in September.

October vs September, Antsiranana
MonthOctoberSeptember
Holiday weather score96100
Daytime high32°31°
Night-time low22°21°
Sea25.4°24.8°
Sunshine9.3 h8.9 h
Rainy days11
Rainfall6 mm3 mm
Muggy days2517better

Based on the climate averages 1996–2025.

Antsiranana month by month

The typical weather for every month at a glance.

65January32° · Sea 28° · 5.4 h

In January, Antsiranana is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 28.3 °C – lovely and warm for swimming. Expect around 5.4 hours of sunshine a day. It is the rainy season: rain falls on about 25 days, totalling 268 mm. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is a good month for a holiday in Antsiranana.

Antsiranana in January
66February31° · Sea 28° · 5.2 h

In February, Antsiranana is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 28.4 °C – lovely and warm for swimming. Expect around 5.2 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 214 mm. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is a good month for a holiday in Antsiranana.

Antsiranana in February
66March32° · Sea 29° · 6.0 h

In March, Antsiranana is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 28.5 °C – lovely and warm for swimming. Expect around 6.0 hours of sunshine a day. It is the rainy season: rain falls on about 20 days, totalling 172 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a good month for a holiday in Antsiranana.

Antsiranana in March
85April32° · Sea 28° · 7.6 h

In April, Antsiranana is hot: daytime highs average 32 °C, and even at night it stays warm at around 23 °C. The sea averages 28.3 °C – lovely and warm for swimming. The sun shines for around 7.6 hours a day. Rain falls on about 7 days, adding up to 42 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is an excellent month for a holiday in Antsiranana.

Antsiranana in April
94May32° · Sea 28° · 8.1 h

In May, Antsiranana is hot: daytime highs average 32 °C, and even at night it stays warm at around 22 °C. The sea averages 27.6 °C – lovely and warm for swimming. The sun shines for around 8.1 hours a day. Rain is rare: about 2 days bring 12 mm in total. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is an excellent month for a holiday in Antsiranana.

Antsiranana in May
96June30° · Sea 26° · 7.9 h

In June, Antsiranana is hot: daytime highs average 30 °C, and even at night it stays warm at around 21 °C. The sea averages 26.3 °C – lovely and warm for swimming. The sun shines for around 7.9 hours a day. It hardly ever rains. On about 19 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is an excellent month for a holiday in Antsiranana.

Antsiranana in June
97July30° · Sea 25° · 8.0 h

In July, Antsiranana is hot: daytime highs average 30 °C, and even at night it stays warm at around 20 °C. The sea averages 25.2 °C – pleasant for swimming. The sun shines for around 8.0 hours a day. It hardly ever rains. On about 13 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 28 km/h. All in all, July is an excellent month for a holiday in Antsiranana.

Antsiranana in July
98August30° · Sea 25° · 8.4 h

In August, Antsiranana is hot: daytime highs average 30 °C, and even at night it stays warm at around 20 °C. The sea averages 24.7 °C – pleasant for swimming. The sun shines for around 8.4 hours a day. It hardly ever rains. On about 16 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 30 km/h. All in all, August is an excellent month for a holiday in Antsiranana.

Antsiranana in August
100September31° · Sea 25° · 8.9 h

In September, Antsiranana is hot: daytime highs average 31 °C, and even at night it stays warm at around 21 °C. The sea averages 24.8 °C – pleasant for swimming. The sun shines for around 8.9 hours a day. It hardly ever rains. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. It is often windy: on a typical day the wind peaks at around 30 km/h. All in all, September is an excellent month for a holiday in Antsiranana.

Antsiranana in September
96October32° · Sea 25° · 9.3 h

In October, Antsiranana is hot: daytime highs average 32 °C, and even at night it stays warm at around 22 °C. The sea averages 25.4 °C – pleasant for swimming. With around 9.3 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Antsiranana.

Antsiranana in October
91November33° · Sea 27° · 8.9 h

In November, Antsiranana is hot: daytime highs average 33 °C, and even at night it stays warm at around 23 °C. The sea averages 26.7 °C – lovely and warm for swimming. The sun shines for around 8.9 hours a day. Rain is rare: about 4 days bring 33 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, November is an excellent month for a holiday in Antsiranana.

Antsiranana in November
70December33° · Sea 28° · 7.4 h

In December, Antsiranana is hot: daytime highs average 33 °C, and even at night it stays warm at around 24 °C. The sea averages 27.9 °C – lovely and warm for swimming. The sun shines for around 7.4 hours a day. It is the rainy season: rain falls on about 15 days, totalling 112 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in Antsiranana.

Antsiranana in December

Climate in detail

Year & climate tableWarmest in November: 33°

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Antsiranana

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Warm 20–24°
  • Hot 24° and more
  • muggy month (15+ muggy days)

WarmOctober: nights around 22°. Tropical nights: a fan or air conditioning helps. Muggy on about 25 days (dew point 18 °C or more).

The coolest nights are in July (20°), the warmest in December (24°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) on about 295 days a year, mostly from September to June.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 32°Night 22°Sea 25°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan6532°24°28.3°5.4 h25268
FebruaryFeb6631°24°28.4°5.2 h24214
MarchMar6632°24°28.5°6.0 h20172
AprilApr8532°23°28.3°7.6 h742
MayMay9432°22°27.6°8.1 h212
JuneJun9630°21°26.3°7.9 h15
JulyJul9730°20°25.2°8.0 h16
AugustAug9830°20°24.7°8.4 h13
SeptemberSep10031°21°24.8°8.9 h13
OctoberOct9632°22°25.4°9.3 h16
NovemberNov9133°23°26.7°8.9 h433
DecemberDec7033°24°27.9°7.4 h15112

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

12.32° S, 49.29° E · 60 m · Indian/Antananarivo

Sea temperatureUp to 29° in March
Swimming calendar

Sea temperature in Antsiranana

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October25.4°Cpleasant

8 in 10 years: 24.8 – 26.3 °C

Swimming season: all year

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 25.4°8 in 10 years 24.8° – 26.3°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Antsiranana ranges from 24.7 °C in August to 28.5 °C in March. At 20 °C and more, the sea is warm enough for swimming all year round.

The sea temperature varies from year to year: in March, eight out of ten years were between 27.9 and 29.2 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan28.3°27.8°28.9°warm
FebruaryFeb28.4°27.7°29.0°warm
MarchMar28.5°27.9°29.2°warm
AprilApr28.3°27.7°28.8°warm
MayMay27.6°27.1°28.1°warm
JuneJun26.3°25.7°26.9°warm
JulyJul25.2°24.6°25.7°pleasant
AugustAug24.7°24.2°25.3°pleasant
SeptemberSep24.8°24.4°25.3°pleasant
OctoberOct25.4°24.8°26.3°pleasant
NovemberNov26.7°26.0°27.3°warm
DecemberDec27.9°27.3°28.6°warm
Sunshine2,780 hours a year
Sunshine

Sunshine hours in Antsiranana

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
2,780 hours
Sunniest month
Oct · 9.3 h a day
Least sunshine
Feb · 5.2 h a day
OctoberSunshine 9.3 hDaylight 12.4 hShare of daylight 75 %
SunshineDaylight

In October, the sun shines for about 9.3 of 12.4 hours of daylight in Antsiranana, 75 % of the daylight hours.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Rain875 mm a year, most in January
Rain

Rain in Antsiranana: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
875 mm on 102 days
Wettest month
Jan · 268 mm
Driest month
Sep · 3 mm
OctoberRainy days 1Rainfall 6 mm

In October, Antsiranana has about one rainy day with 6 mm of rain in total.

UV indexUp to 13 in February
Sun protection

UV index in Antsiranana

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
13 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.

The sun is strongest in February (UV 13).

Minutes until sunburn in October

Very fair skin
about 10 min
Fair skin
about 15 min
Light brown skin
about 20 min
Olive skin
about 25 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & cloudsWindiest in September: 30 km/h
Wind & clouds

Wind and clouds in Antsiranana

How breezy and how cloudy Antsiranana is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
23 km/h · moderate breeze
Windiest month
Sep · 30 km/h
Calmest month
Feb · 15 km/h
OctoberWind 27 km/hBeaufort 4
20
WindBeaufort 4

In October, the wind in Antsiranana typically peaks at 27 km/h during the day: Beaufort 4, moderate breeze.

Breezy months for windsurfing and kiting

From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Apr – Nov.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
44 % · mostly sunny
Clearest month
Sep · 23 %
Cloudiest month
Jan · 77 %
OctoberCloud cover 27 %Sunshine 9.3 h

In October, cloud covers on average 27 % of the sky over Antsiranana: mostly sunny, with about 9.3 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity302 days of 30° or more a year
Heat & humidity

Heat and humidity in Antsiranana

How often the day gets hot in Antsiranana (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
302 days
Hottest month
Nov · 33 °C
Hot months
All year except Jul

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 30Daytime high 32 °C

In October, Antsiranana has about 30 hot days, with an average daytime high of 32 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Planning a trip to Antsiranana

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Antsiranana in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Antsiranana has its best school-holiday weather during the summer holidays (score 98) and its weakest during the Christmas holidays (score 68).

  • Easter holidays

    Mar – Apr

    79

    Good

    • 32 °C by day
    • Sea 28 °C
    • 7.1 h of sun a day
    • 11 rainy days a month

    Keep in mind: Frequent rain, Storm season

  • May half-term

    May – Jun

    94

    Excellent

    • 31 °C by day
    • Sea 27 °C
    • 8.1 h of sun a day
    • 2 rainy days a month

    Good for: Beach & swimming

  • Summer holidays

    Jul – Aug

    98

    ExcellentBest holidays

    • 30 °C by day
    • Sea 25 °C
    • 8.3 h of sun a day
    • 1 rainy day a month

    Good for: Beach & swimming

  • October half-term

    Oct

    96

    Excellent

    • 32 °C by day
    • Sea 25 °C
    • 9.3 h of sun a day
    • 1 rainy day a month

    Good for: Beach & swimming

  • Christmas holidays

    Dec – Jan

    68

    Good

    • 32 °C by day
    • Sea 28 °C
    • 6.4 h of sun a day
    • 20 rainy days a month

    Keep in mind: Frequent rain, Storm season

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 10 h 50 min
Distance
8,550 km
Time zone
UTC+3
Jet lag
Hardly any (under 3 h)

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Good to know: Madagascar

Currency
Malagasy Ariary (MGA)
Languages
French, Malagasy
Sockets
Type C, D, E, J, K · 127 V
Traffic
Drives on the right
Dialling code
+261

UK plugs need a travel adapter

Only 127 V: chargers marked 100–240 V work, other devices need a voltage converter.

Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.

Storm season

Antsiranana lies in an area that cyclones from the south-western Indian Ocean can reach. The cyclone season runs from November to April, with most storms from January to March. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.

  1. January: Peak
  2. February: Peak
  3. March: Peak
  4. April: Season
  5. May
  6. June
  7. July
  8. August
  9. September
  10. October
  11. November: Season
  12. December: Season

Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.

Compare & alternatives

Compare with another place
Compare

Antsiranana compared

Put Antsiranana side by side with another destination.

Nearby:
Compare with home:

Antsiranana vs Mamoudzou

In October the holiday weather in Antsiranana and Mamoudzou is about equally good (score 96 vs 97). During the day Mamoudzou is 4 °C cooler than Antsiranana. The sea in Mamoudzou is 2 °C warmer.

Antsiranana vs Mamoudzou, in October
in OctoberAntsirananaMamoudzou
Holiday weather score9697
Daytime high32°28°
Sea25°27°
Sunshine9 h9 h
Rainy days16
Best timeApr – NovJun – Oct

Through the year

OctoberAntsiranana 32°Mamoudzou 28°
AntsirananaMamoudzou
Go to Mamoudzou
Best places in the country
Ranking

Madagascar in October: the best places

In October, Antsiranana ranks 1 of 6 destinations in this country.

  1. AntsirananaThis page32°25°96
  2. 2Antananarivo26°91
  3. 3Antsirabe27°86
  4. 4Toliara31°26°76
  5. 5Toamasina28°25°62
  6. 6Mahajanga34°27°57
All destinations: Madagascar
Places nearby4 places within 660 km

Near Antsiranana

Other destinations close by.

Places with a similar climatee.g. Pemba and Island of Mozambique

Places with a climate like Antsiranana

Destinations whose weather through the year is closest to Antsiranana's – good alternatives.

  1. 72 % similar68PembaMozambique31°27°Best time: May – Oct
  2. 71 % similar100Island of MozambiqueMozambique31°27°Best time: May – Nov
  3. 69 % similar54KupangIndonesia34°28°Best time: May – Sep
  4. 69 % similar89KarumbaAustralia33°28°Best time: Apr – Oct

Frequently asked questions about Antsiranana

When is the best time to visit Antsiranana?

The best time to visit Antsiranana is from April to November. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Antsiranana?

The sea temperature in Antsiranana ranges from 24.7 °C in August to 28.5 °C in March. At 20 °C and more, the sea is warm enough for swimming all year round.

Can you swim in Antsiranana in October?

Yes. In October the sea averages 25.4 °C – pleasant for swimming.

What is the warmest month in Antsiranana?

November is the warmest month, with average highs of 33 °C and nights around 23 °C. July is the coolest month at 30 °C.

When does it rain most in Antsiranana?

The rainy season is from December to March; the wettest month is January with 268 mm. The driest month is September with 3 mm.

How many hours of sunshine does Antsiranana get?

Antsiranana gets around 2,780 hours of sunshine a year. The sunniest month is October with 9.3 hours a day; in February there are 5.2 hours a day.

What time zone is Antsiranana in?

Antsiranana is on UTC+3 all year.

How long is the flight from London to Antsiranana?

A nonstop flight from London to Antsiranana takes about 10 h 50 min, for a straight-line distance of about 8,550 km.

When is cyclone season in Antsiranana?

Antsiranana lies in an area that cyclones from the south-western Indian Ocean can reach. The cyclone season runs from November to April, with most storms from January to March. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.

Which school holidays are best for Antsiranana?

Antsiranana has its best school-holiday weather during the summer holidays (score 98) and its weakest during the Christmas holidays (score 68). Holiday ratings (0–100): Easter holidays 79, May half-term 94, summer holidays 98, October half-term 96, Christmas holidays 68.