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Porto-Novo weather & best time to visit

City break

Porto-Novo at a glance

Best time
Dec – Jan
Warmest month
Feb · 34°
Sunshine a year
2,240 h
Rain a year
1,288 mm
Climate
Tropical
Time zone
UTC+1
Elevation
20 m

Climate in Porto-Novo

Porto-Novo has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. February is the warmest month with average highs of 34 °C, while August is the coolest at 29 °C. With around 2,240 hours of sunshine a year, Porto-Novo is sunny; November is the sunniest month with 7.9 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Porto-Novo

The best time to visit Porto-Novo is from December to January. From December to March it can get very hot, with highs of up to 34 °C. The rainy season is from May to October; the wettest month is June with 234 mm.

Porto-Novo through the seasons

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

Porto-Novo in the dry season

Nov – Apr

34

Poor

  • 33–34 °C by day
  • 6.9 h of sun a day
  • 83 rainy days in all

Porto-Novo in the rainy season

May – Oct

38

Poor

  • 29–32 °C by day
  • 5.3 h of sun a day
  • 136 rainy days in all

Which month for what?

Beach & swimming

No sea nearby

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

No month

15–28 °C and not too much rain

Peak heat

Dec – Mar

Highs of 33 °C or more

Rainy months

May – Oct

Rainy season or more than 12 rainy days

Find your perfect month

Tell us what you like and we rate every month in Porto-Novo for you.

Sunshine
Little rain

Your best months: July – September

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

Your holiday weather, at a glance

Weather in October

Weather in October

37

Holiday weather in October

Poor

Best time to visit: December – January

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 26°
  2. Midday, 13:00: about 31°
  3. Afternoon, 16:00: about 31°
  4. Evening, 20:00: about 28°
  5. Night, 23:00: about 26°

06:3618:35

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 06:23–07:03 · evening 18:07–18:48
Blue hour
Morning 06:15–06:23 · evening 18:48–18:56

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 Porto-Novo compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs rise from about 30° at the start of the month to 32° at the end.

Early or late October?
October1 Oct31 Oct
Daytime high30°32°
Night-time low24°24°
Daylight12.1 h11.9 h

What is the weather like in Porto-Novo in October?

In October, Porto-Novo is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sun shines for around 6.5 hours a day. It is the rainy season: rain falls on about 26 days, totalling 160 mm. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is not an ideal month for a holiday in Porto-Novo.

More details for October

Daylight
11 h 59 min06:36 – 18:35
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
14 km/haverage daily peakAll months
Cloud cover
73 %on averageAll months
Hot days
26 days30 °C or moreAll months
Time zone
UTC+1offset from UTC

How the score comes together

  • Temperatureweight 50 %50 %
  • Sunshineweight 20 %58 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in October

  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Compare two months in Porto-Novo

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

vs

August has the better holiday weather in Porto-Novo: score 46 against 37. In August, days are 2 °C cooler than in October. August has 9 fewer rainy days. The sun shines 2 hours less a day in August.

October vs August, Porto-Novo
MonthOctoberAugust
Holiday weather score3746better
Daytime high31°29°
Night-time low24°24°
Sunshine6.5 hbetter4.9 h
Rainy days2617better
Rainfall160 mm105 mmbetter
Muggy days3131

Based on the climate averages 1996–2025.

Porto-Novo month by month

The typical weather for every month at a glance.

43January33° · 6.1 h

In January, Porto-Novo is very hot: daytime highs average 33 °C, and even at night it stays warm at around 24 °C. Expect around 6.1 hours of sunshine a day. Rain falls on about 8 days, adding up to 28 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, January is a so-so month for a holiday in Porto-Novo – and yet one of the best months here.

Porto-Novo in January
37February34° · 6.7 h

In February, Porto-Novo is very hot: daytime highs average 34 °C, and even at night it stays warm at around 26 °C. The sun shines for around 6.7 hours a day. Rain is frequent, with about 10 rainy days and 37 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, February is not an ideal month for a holiday in Porto-Novo.

Porto-Novo in February
26March33° · 6.9 h

In March, Porto-Novo is very hot: daytime highs average 33 °C, and even at night it stays warm at around 26 °C. The sun shines for around 6.9 hours a day. It rains often – on about 17 days, adding up to 68 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, March is not an ideal month for a holiday in Porto-Novo.

Porto-Novo in March
26April33° · 6.9 h

In April, Porto-Novo is hot: daytime highs average 33 °C, and even at night it stays warm at around 26 °C. The sun shines for around 6.9 hours a day. It rains often – on about 18 days, adding up to 91 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, April is not an ideal month for a holiday in Porto-Novo.

Porto-Novo in April
30May32° · 6.3 h

In May, Porto-Novo is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. Expect around 6.3 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 164 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is not an ideal month for a holiday in Porto-Novo.

Porto-Novo in May
35June30° · 4.6 h

In June, Porto-Novo is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. Expect around 4.6 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 234 mm. On about 19 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is not an ideal month for a holiday in Porto-Novo.

Porto-Novo in June
41July29° · 4.6 h

In July, Porto-Novo is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. Expect around 4.6 hours of sunshine a day. It is the rainy season: rain falls on about 21 days, totalling 138 mm. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Porto-Novo.

Porto-Novo in July
46August29° · 4.9 h

In August, Porto-Novo is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. Expect around 4.9 hours of sunshine a day. It is the rainy season: rain falls on about 17 days, totalling 105 mm. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Porto-Novo.

Porto-Novo in August
40September30° · 5.2 h

In September, Porto-Novo is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. Expect around 5.2 hours of sunshine a day. It is the rainy season: rain falls on about 22 days, totalling 155 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Porto-Novo.

Porto-Novo in September
37October31° · 6.5 h

In October, Porto-Novo is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sun shines for around 6.5 hours a day. It is the rainy season: rain falls on about 26 days, totalling 160 mm. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is not an ideal month for a holiday in Porto-Novo.

Porto-Novo in October
32November33° · 7.9 h

In November, Porto-Novo is hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sun shines for around 7.9 hours a day. It rains often – on about 19 days, adding up to 74 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, November is not an ideal month for a holiday in Porto-Novo.

Porto-Novo in November
42December33° · 7.1 h

In December, Porto-Novo is very hot: daytime highs average 33 °C, and even at night it stays warm at around 24 °C. The sun shines for around 7.1 hours a day. Rain is frequent, with about 11 rainy days and 35 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, December is a so-so month for a holiday in Porto-Novo – and yet one of the best months here.

Porto-Novo in December

Climate in detail

Climate through the year

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

Best time to visit

Nights and sleep in Porto-Novo

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

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

HotOctober: nights around 24°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 31 days (dew point 18 °C or more).

The coolest nights are in August (24°), the warmest in March (26°). 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) all year, on about 361 days a year.

Temperatures through the year

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

OctoberDay 31°Night 24°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan4333°24°6.1 h828
FebruaryFeb3734°26°6.7 h1037
MarchMar2633°26°6.9 h1768
AprilApr2633°26°6.9 h1891
MayMay3032°25°6.3 h24164
JuneJun3530°24°4.6 h26234
JulyJul4129°24°4.6 h21138
AugustAug4629°24°4.9 h17105
SeptemberSep4030°24°5.2 h22155
OctoberOct3731°24°6.5 h26160
NovemberNov3233°25°7.9 h1974
DecemberDec4233°24°7.1 h1135

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

6.50° N, 2.60° E · 20 m · Africa/Porto-Novo

Sunshine

Sunshine hours in Porto-Novo

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

Per year
2,240 hours
Sunniest month
Nov · 7.9 h a day
Least sunshine
Jun · 4.6 h a day
OctoberSunshine 6.5 hDaylight 12.0 hShare of daylight 54 %
SunshineDaylight

In October, the sun shines for about 6.5 of 12.0 hours of daylight in Porto-Novo, 54 % 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.

Rain

Rain in Porto-Novo: 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
1,288 mm on 219 days
Wettest month
Jun · 234 mm
Driest month
Jan · 28 mm
OctoberRainy days 26Rainfall 160 mm

In October, Porto-Novo has about 26 rainy days with 160 mm of rain in total.

Sun protection

UV index in Porto-Novo

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 April (UV 14).

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 & clouds

Wind and clouds in Porto-Novo

How breezy and how cloudy Porto-Novo 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
16 km/h · gentle breeze
Windiest month
Aug · 18 km/h
Calmest month
Nov · 14 km/h
OctoberWind 14 km/hBeaufort 3

In October, the wind in Porto-Novo typically peaks at 14 km/h during the day: Beaufort 3, gentle breeze.

Clouds

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

Year average
68 % · mostly cloudy
Clearest month
Dec · 41 %
Cloudiest month
Jun · 82 %
OctoberCloud cover 73 %Sunshine 6.5 h

In October, cloud covers on average 73 % of the sky over Porto-Novo: mostly cloudy, with about 6.5 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 & humidity

Heat and humidity in Porto-Novo

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

Hot days a year
278 days
Hottest month
Feb · 34 °C
Hot months
Oct – Jun

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 26Daytime high 31 °C

In October, Porto-Novo has about 26 hot days, with an average daytime high of 31 °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 Porto-Novo

Weather for your travel dates

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

Porto-Novo 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.

Porto-Novo has its best school-holiday weather during the summer holidays (score 44) and its weakest during the Easter holidays (score 26).

  • Easter holidays

    Mar – Apr

    26

    Poor

    • 33 °C by day
    • 6.9 h of sun a day
    • 18 rainy days a month

    Keep in mind: Peak heat

  • May half-term

    May – Jun

    31

    Poor

    • 32 °C by day
    • 6.0 h of sun a day
    • 24 rainy days a month

    Keep in mind: Frequent rain

  • Summer holidays

    Jul – Aug

    44

    FairBest holidays

    • 29 °C by day
    • 4.8 h of sun a day
    • 18 rainy days a month

    Keep in mind: Frequent rain

  • October half-term

    Oct

    37

    Poor

    • 31 °C by day
    • 6.5 h of sun a day
    • 26 rainy days a month

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    43

    Fair

    • 33 °C by day
    • 6.6 h of sun a day
    • 9 rainy days a month

    Keep in mind: Peak heat

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 6 h 30 min
Distance
5,010 km
Time zone
UTC+1
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.

Compare & alternatives

Compare

Porto-Novo compared

Put Porto-Novo side by side with another destination.

Nearby:
Compare with home:

Porto-Novo vs Cotonou

In October the holiday weather in Porto-Novo and Cotonou is about equally good (score 37 vs 41). During the day Cotonou is 1 °C cooler than Porto-Novo.

Porto-Novo vs Cotonou, in October
in OctoberPorto-NovoCotonou
Holiday weather score3741
Daytime high31°30°
Sunshine7 h7 h
Rainy days2626
Best timeDec – JanDec – Jan

Through the year

OctoberPorto-Novo 31°Cotonou 30°
Porto-NovoCotonou
Go to Cotonou
Ranking

Benin in October: the best places

In October, Porto-Novo ranks 2 of 3 destinations in this country.

  1. Cotonou30°41
  2. 2Porto-NovoThis page31°37
  3. 3Ouidah31°37
All destinations: Benin

Near Porto-Novo

Other destinations close by.

Places with a climate like Porto-Novo

Destinations whose weather through the year is closest to Porto-Novo's – good alternatives.

  1. 73 % similar30KumasiGhana31°Best time: Dec – Jan
  2. 72 % similar36YamoussoukroIvory Coast31°Best time: Dec
  3. 70 % similar29IbadanNigeria31°Best time: Dec – Jan
  4. 69 % similar27ThiruvananthapuramIndia32°Best time: Jan – Feb

Frequently asked questions about Porto-Novo

When is the best time to visit Porto-Novo?

The best time to visit Porto-Novo is from December to January. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

What is the warmest month in Porto-Novo?

February is the warmest month, with average highs of 34 °C and nights around 26 °C. August is the coolest month at 29 °C.

When does it rain most in Porto-Novo?

The rainy season is from May to October; the wettest month is June with 234 mm. The driest month is January with 28 mm.

How many hours of sunshine does Porto-Novo get?

Porto-Novo gets around 2,240 hours of sunshine a year. The sunniest month is November with 7.9 hours a day; in June there are 4.6 hours a day.

What time zone is Porto-Novo in?

Porto-Novo is on UTC+1 all year.

How long is the flight from London to Porto-Novo?

A nonstop flight from London to Porto-Novo takes about 6 h 30 min, for a straight-line distance of about 5,010 km.

Which school holidays are best for Porto-Novo?

Porto-Novo has its best school-holiday weather during the summer holidays (score 44) and its weakest during the Easter holidays (score 26). Holiday ratings (0–100): Easter holidays 26, May half-term 31, summer holidays 44, October half-term 37, Christmas holidays 43.