Moutsamoudou climate — normals and trends
Moutsamoudou (Comoros) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.2 °C and it receives 1,299 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is December (26.2 °C on average) and the coldest is July (23.5 °C). Rainfall peaks in January.
Moutsamoudou averages 0 frost days, 27 hot days (≥ 30 °C) and 200 rainy days per year.
Moutsamoudou has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.0 °C (on 9 January 2002) and the coldest 17.8 °C (on 22 August 1945).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
MoutsamoudouAnjouan
- coords
- -12.17°, 44.40°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.2°C
Average daily high
28.1°C
Average daily low
23.0°C
Annual rainfall
1,299mm
Sunshine / day
11.1h
Mean relative humidity
79%
Average peak wind
12.7km/h
Seasonal range
2.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
27 d/yr
Rainy days (≥ 1 mm)
200 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.3 °C
Average feels-like low
26.1 °C
Average peak gust
34.2 km/h
Tropical nights (≥ 20 °C)
355 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.51 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
33.0 °C
9 January 2002
Coldest day
17.8 °C
22 August 1945
Wettest day
223 mm
27 March 1941
Windiest day
58.6 km/h
10 April 1941
Strongest gust
148.0 km/h
10 April 1941
Hottest feels-like
40.0 °C
28 February 2010
Coldest feels-like
18.2 °C
22 August 1945
Sunniest day
12.5 h
18 January 2000
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 29.4 °C | +0.8 °C | 227 mm | -35 mm |
| Feb | 30.0 °C | +1.4 °C | 98 mm | -132 mm |
| Mar | 30.0 °C | +1.3 °C | 190 mm | -38 mm |
| Apr | 30.0 °C | +1.4 °C | 58 mm | -82 mm |
| May | 29.7 °C | +1.7 °C | 49 mm | -0 mm |
| Jun | 28.4 °C | +1.4 °C | 18 mm | -6 mm |
| Jul | 27.2 °C | +0.7 °C | 19 mm | -2 mm |
| Aug | 27.3 °C | +0.5 °C | 20 mm | -1 mm |
| Sep | 28.4 °C | +0.9 °C | 18 mm | -7 mm |
| Oct | 28.6 °C | +0.2 °C | 51 mm | +9 mm |
| Nov | 30.2 °C | +1.2 °C | 73 mm | -2 mm |
| Dec | 31.0 °C | +2.0 °C | 55 mm | -128 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Moutsamoudou?
Moutsamoudou has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 1,299 mm of precipitation per year.
What is the hottest day ever recorded in Moutsamoudou?
The hottest day measured in Moutsamoudou between 1940 and 2025 was 9 January 2002, reaching 33.0 °C.
What is the coldest day in Moutsamoudou?
The coldest day measured in Moutsamoudou between 1940 and 2025 was 22 August 1945, at 17.8 °C.
Does it snow in Moutsamoudou?
Almost never: Moutsamoudou sees virtually no snow, with about 0 frost days per year.
Has the climate of Moutsamoudou warmed?
Yes: Moutsamoudou warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Moutsamoudou?
The wettest day measured in Moutsamoudou between 1940 and 2025 was 27 March 1941, with 223 mm of rain in 24 hours.
What was the windiest day in Moutsamoudou?
The windiest day measured in Moutsamoudou between 1940 and 2025 was 10 April 1941, with winds reaching 58.6 km/h.
What is the warmest month in Moutsamoudou?
The warmest month in Moutsamoudou is December (26.2 °C on average); the coldest is July (23.5 °C).
How much does it rain in Moutsamoudou?
Moutsamoudou receives on average 1,299 mm of precipitation per year, spread over about 200 rainy days.
Is it sunny in Moutsamoudou?
Moutsamoudou gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Moutsamoudou?
Yes: Moutsamoudou has on average 355 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Moutsamoudou?
In Moutsamoudou, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 28 February 2010, and the lowest was 18.2 °C on 22 August 1945.
Compare Moutsamoudou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Moutsamoudou