AI-generatedMoroni at a glance
- Best time
- Aug – Oct
- Warmest month
- Dec · 29°
- Warmest sea
- Mar · 29.6°
- Sunshine a year
- 2,950 h
- Rain a year
- 1,247 mm
- Climate
- Tropical
- Time zone
- UTC+3
- Elevation
- 27 m
Climate in Moroni
Moroni has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. December is the warmest month with average highs of 29 °C, while July is the coolest at 27 °C. With around 2,950 hours of sunshine a year, Moroni is sunny; November is the sunniest month with 9.2 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: August – October
Good forBeach & swimming
A typical day in October
- Morning, 08:00: about 26°
- Midday, 13:00: about 28°
- Afternoon, 16:00: about 28°
- Evening, 20:00: about 26°
- Night, 23:00: about 25°
05:4218:03
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 05:29–06:10 · evening 17:35–18:16
- Blue hour
- Morning 05:21–05:29 · evening 18:16–18:24
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.
What is the weather like in Moroni in October?
In October, Moroni is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 26.6 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 9 rainy days and 31 mm in total. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Moroni.
More details for October
- Daylight
- 12 h 21 min05:42 – 18:03
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 10 km/haverage daily peakAll months
- Cloud cover
- 37 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+3Indian/Comoro
How the score comes together
- Temperatureweight 50 %84 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %63 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Sea temperature in Moroni
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 26.3 – 27.1 °C
Swimming season: All year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Moroni ranges from 25.8 °C in August to 29.6 °C in March. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea warms up slowly: it is warmest in March, while the air already peaks in December. From January to April the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in March, eight out of ten years were between 29.1 and 30.2 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 29.1° | 28.5° | 29.5° | very warm |
| FebruaryFeb | 29.2° | 28.8° | 29.7° | very warm |
| MarchMar | 29.6° | 29.1° | 30.2° | very warm |
| AprilApr | 29.3° | 28.9° | 29.9° | very warm |
| MayMay | 28.4° | 28.0° | 28.7° | warm |
| JuneJun | 27.2° | 26.8° | 27.7° | warm |
| JulyJul | 26.2° | 25.8° | 26.6° | warm |
| AugustAug | 25.8° | 25.4° | 26.2° | pleasant |
| SeptemberSep | 26.0° | 25.6° | 26.5° | warm |
| OctoberOct | 26.6° | 26.3° | 27.1° | warm |
| NovemberNov | 27.8° | 27.1° | 28.5° | warm |
| DecemberDec | 29.0° | 28.4° | 29.5° | very warm |
Sunshine hours in Moroni
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 9.0 of 12.3 hours of daylight in Moroni, 73 % of the day.
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.
UV index in Moroni
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 it, 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.
Rain in Moroni: 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.
In October, Moroni has about 9 rainy days with 31 mm of rain in total.
Wind and clouds in Moroni
How breezy and how cloudy Moroni 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.
In October, the wind in Moroni typically peaks at 10 km/h during the day: Beaufort 2, light air.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 37 % of the sky over Moroni: mostly sunny, with about 9.0 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 and humidity in Moroni
How often the day gets hot in Moroni (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Moroni has about 1 hot days, with an average daytime high of 28 °C: often muggy. The air feels warmer than the thermometer says: light, airy clothes and slow days help.
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
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Moroni
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 (10+ 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 (23°), 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) on about 354 days a year, mostly all year round.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 51 | 29° | 26° | 29.1° | 6.8 h | 23 | 250 |
| FebruaryFeb | 50 | 29° | 26° | 29.2° | 6.6 h | 22 | 217 |
| MarchMar | 49 | 29° | 26° | 29.6° | 7.1 h | 26 | 194 |
| AprilApr | 52 | 29° | 26° | 29.3° | 7.8 h | 23 | 129 |
| MayMay | 59 | 29° | 26° | 28.4° | 8.3 h | 18 | 65 |
| JuneJun | 70 | 27° | 24° | 27.2° | 8.2 h | 16 | 46 |
| JulyJul | 71 | 27° | 23° | 26.2° | 8.1 h | 16 | 41 |
| AugustAug | 84 | 27° | 23° | 25.8° | 8.6 h | 11 | 27 |
| SeptemberSep | 88 | 27° | 23° | 26.0° | 8.8 h | 8 | 22 |
| OctoberOct | 81 | 28° | 24° | 26.6° | 9.0 h | 9 | 31 |
| NovemberNov | 67 | 29° | 25° | 27.8° | 9.2 h | 13 | 69 |
| DecemberDec | 53 | 29° | 26° | 29.0° | 8.4 h | 21 | 155 |
Climate averages 1996–2025, 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
11.70° S, 43.26° E · 27 m · Indian/Comoro
Best time to visit Moroni
The best time to visit Moroni is from August to October. For a beach holiday with the sea above 21 °C, go from August to October. For sightseeing, day trips and hiking, conditions are most comfortable from August to September. Rain is most frequent from November to July; the wettest month is January with 250 mm.
Moroni through the seasons
How the weather changes over the seasons, with averages for each.
Moroni in the dry season
Aug – Oct
Excellent
- 27–28 °C by day
- Sea 26 °C
- 9 h of sun a day
- 28 rainy days in all
Moroni in the rainy season
Nov – Jul
Fair
- 27–29 °C by day
- Sea 28 °C
- 8 h of sun a day
- 178 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Moroni for you.
Your best months: August – October
Based on the climate averages; tap a month to see its details.
Compare two months in Moroni
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
September has the better holiday weather in Moroni: score 88 against 81. In September, days are 1 °C cooler than in October. The sea is 1 °C cooler in September. September has one rainy day fewer.
| Month | October | September |
|---|---|---|
| Weather score | 81 | 88better |
| Day high | 28° | 27° |
| Night low | 24° | 23° |
| Sea | 26.6° | 26.0° |
| Sunshine | 9.0 h | 8.8 h |
| Rainy days | 9 | 8better |
| Rainfall | 31 mm | 22 mm |
| Muggy days | 31 | 29better |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Aug – Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Aug – Sep
15–28 °C and not too much rain
Rainy months
Nov – Jul
12 or more rainy days
Moroni month by month
The typical weather for every month at a glance.
51January29° · Sea 29° · 7 h
In January, Moroni is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.1 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 23 days, totalling 250 mm. The air is often humid and muggy. All in all, January is a so-so month for a holiday in Moroni.
Moroni in January50February29° · Sea 29° · 7 h
In February, Moroni is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.2 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 22 days, totalling 217 mm. The air is often humid and muggy. All in all, February is a so-so month for a holiday in Moroni.
Moroni in February49March29° · Sea 30° · 7 h
In March, Moroni is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.6 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 26 days, totalling 194 mm. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a so-so month for a holiday in Moroni.
Moroni in March52April29° · Sea 29° · 8 h
In April, Moroni is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.3 °C – almost as warm as a bath. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 23 days, totalling 129 mm. The air is often humid and muggy. All in all, April is a so-so month for a holiday in Moroni.
Moroni in April59May29° · Sea 28° · 8 h
In May, Moroni is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 28.4 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 18 days, totalling 65 mm. The air is often humid and muggy. All in all, May is a so-so month for a holiday in Moroni.
Moroni in May70June27° · Sea 27° · 8 h
In June, Moroni is hot: daytime highs average 27 °C, and even at night it stays warm at around 24 °C. The sea averages 27.2 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 16 days, totalling 46 mm. The air is often humid and muggy. All in all, June is a good month for a holiday in Moroni.
Moroni in June71July27° · Sea 26° · 8 h
In July, Moroni is warm: daytime highs average 27 °C, and even at night it stays warm at around 23 °C. The sea averages 26.2 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 16 days, totalling 41 mm. The air is often humid and muggy. All in all, July is a good month for a holiday in Moroni.
Moroni in July84August27° · Sea 26° · 9 h
In August, Moroni is warm: daytime highs average 27 °C, and even at night it stays warm at around 23 °C. The sea averages 25.8 °C – pleasant for swimming. The sun shines for around 9 hours a day. Rain is frequent, with about 11 rainy days and 27 mm in total. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Moroni.
Moroni in August88September27° · Sea 26° · 9 h
In September, Moroni is hot: daytime highs average 27 °C, and even at night it stays warm at around 23 °C. The sea averages 26.0 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain falls on about 8 days, adding up to 22 mm. The air is often humid and muggy. All in all, September is an excellent month for a holiday in Moroni.
Moroni in September81October28° · Sea 27° · 9 h
In October, Moroni is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 26.6 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 9 rainy days and 31 mm in total. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Moroni.
Moroni in October67November29° · Sea 28° · 9 h
In November, Moroni is hot: daytime highs average 29 °C, and even at night it stays warm at around 25 °C. The sea averages 27.8 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 13 rainy days and 69 mm in total. The air is often humid and muggy. All in all, November is a good month for a holiday in Moroni.
Moroni in November53December29° · Sea 29° · 8 h
In December, Moroni is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.0 °C – almost as warm as a bath. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 21 days, totalling 155 mm. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a so-so month for a holiday in Moroni.
Moroni in DecemberMoroni compared
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Moroni vs. Dar es Salaam
In October Moroni has the better holiday weather (score 81 vs. 66). During the day Dar es Salaam is 2 °C warmer than Moroni. The sea is about equally warm. Dar es Salaam gets one hour less sunshine a day.
| in October | Moroni | Dar es Salaam |
|---|---|---|
| Holiday score | 81 | 66 |
| Daytime high | 28° | 30° |
| Sea | 27° | 27° |
| Sunshine | 9 h | 8 h |
| Rainy days | 9 | 11 |
| Best time | Aug – Oct | Jun – Sep |
Through the year
Planning a trip to Moroni
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Moroni 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.
Moroni has its best school-holiday weather during October half-term (score 81) and its weakest during the Easter holidays (score 51).
- 51
Easter holidays
Mar – Apr
Fair
- 29 °C by day
- Sea 29 °C
- 7.6 h of sun a day
- 24 rainy days a month
Keep in mind: Frequent rain, Storm season
- 61
May half-term
May – Jun
Good
- 28 °C by day
- Sea 28 °C
- 8.3 h of sun a day
- 17 rainy days a month
Keep in mind: Frequent rain
- 79
Summer holidays
Jul – Aug
Good
- 27 °C by day
- Sea 26 °C
- 8.4 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 81
October half-term
Oct
ExcellentBest holidays
- 28 °C by day
- Sea 27 °C
- 9.0 h of sun a day
- 9 rainy days a month
Good for: Beach & swimming
- 52
Christmas holidays
Dec – Jan
Fair
- 29 °C by day
- Sea 29 °C
- 7.6 h of sun a day
- 22 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 20 min
- Distance
- 8,180 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.
Storm season
Moroni 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.
- January: Peak
- February: Peak
- March: Peak
- April: Season
- May
- June
- July
- August
- September
- October
- November: Season
- December: Season
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Moroni
When is the best time to visit Moroni?
The best time to visit Moroni is from August to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Moroni?
The sea temperature in Moroni ranges from 25.8 °C in August to 29.6 °C in March. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Moroni in October?
Yes. In October the sea averages 26.6 °C – lovely and warm for swimming.
What is the warmest month in Moroni?
December is the warmest month, with average highs of 29 °C and nights around 26 °C. July is the coolest month at 27 °C.
When does it rain most in Moroni?
Rain is most frequent from November to July; the wettest month is January with 250 mm. The driest month is September with 22 mm.
How many hours of sunshine does Moroni get?
Moroni gets around 2,950 hours of sunshine a year. The sunniest month is November with 9.2 hours a day; in February there are 6.6 hours a day.
What time zone is Moroni in?
Moroni uses the time zone Indian/Comoro, at UTC+3 all year.
How long is the flight from London to Moroni?
A nonstop flight from London to Moroni takes about 10 h 20 min, for a straight-line distance of about 8,180 km.
When is cyclone season in Moroni?
Moroni 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 Moroni?
Moroni has its best school-holiday weather during October half-term (score 81) and its weakest during the Easter holidays (score 51). Holiday ratings (0–100): Easter holidays 51, May half-term 61, Summer holidays 79, October half-term 81, Christmas holidays 52.
Near Moroni
Other destinations close by.
Places with a climate like Moroni
Destinations whose weather through the year is closest to Moroni's – good alternatives.