Mamou climate — normals and trends
Mamou (Guinea) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.1 °C and it receives 1,938 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 April (27.3 °C on average) and the coldest is August (21.8 °C). Rainfall peaks in August.
Mamou averages 0 frost days, 172 hot days (≥ 30 °C) and 180 rainy days per year.
Mamou has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.0 °C (on 8 April 1980) and the coldest 11.6 °C (on 25 November 1974).
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
MamouMamou Region
- coords
- 10.38°, -12.09°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.1°C
Average daily high
29.8°C
Average daily low
19.5°C
Annual rainfall
1,938mm
Sunshine / day
9.9h
Mean relative humidity
68%
Average peak wind
10.2km/h
Seasonal range
5.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
172 d/yr
Rainy days (≥ 1 mm)
180 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.1 °C
Average feels-like low
21.4 °C
Average peak gust
29.2 km/h
Tropical nights (≥ 20 °C)
153 d/yr
Solar radiation
19.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.76 · 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
39.0 °C
8 April 1980
Coldest day
11.6 °C
25 November 1974
Wettest day
203 mm
18 September 2022
Windiest day
31.4 km/h
1 December 1978
Strongest gust
64.8 km/h
28 January 2016
Hottest feels-like
41.5 °C
12 April 2024
Coldest feels-like
9.1 °C
9 January 1957
Sunniest day
12.2 h
28 May 1957
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 | 32.4 °C | +1.0 °C | 0 mm | -3 mm |
| Feb | 34.0 °C | +0.7 °C | 0 mm | -2 mm |
| Mar | 35.4 °C | +0.9 °C | 15 mm | +5 mm |
| Apr | 33.8 °C | -0.1 °C | 83 mm | +37 mm |
| May | 30.3 °C | -0.3 °C | 179 mm | +6 mm |
| Jun | 28.7 °C | +0.8 °C | 205 mm | -95 mm |
| Jul | 26.1 °C | 0.0 °C | 355 mm | -13 mm |
| Aug | 26.0 °C | +0.5 °C | 618 mm | +194 mm |
| Sep | 27.4 °C | +0.6 °C | 495 mm | +135 mm |
| Oct | 29.5 °C | +1.3 °C | 134 mm | -71 mm |
| Nov | 29.7 °C | +0.3 °C | 47 mm | +2 mm |
| Dec | 31.0 °C | +0.6 °C | 2 mm | -3 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 Mamou?
Mamou has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.1 °C and it receives 1,938 mm of precipitation per year.
What is the hottest day ever recorded in Mamou?
The hottest day measured in Mamou between 1940 and 2025 was 8 April 1980, reaching 39.0 °C.
What is the coldest day in Mamou?
The coldest day measured in Mamou between 1940 and 2025 was 25 November 1974, at 11.6 °C.
Does it snow in Mamou?
Almost never: Mamou sees virtually no snow, with about 0 frost days per year.
Has the climate of Mamou warmed?
Yes: Mamou warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mamou?
The wettest day measured in Mamou between 1940 and 2025 was 18 September 2022, with 203 mm of rain in 24 hours.
What was the windiest day in Mamou?
The windiest day measured in Mamou between 1940 and 2025 was 1 December 1978, with winds reaching 31.4 km/h.
What is the warmest month in Mamou?
The warmest month in Mamou is April (27.3 °C on average); the coldest is August (21.8 °C).
How much does it rain in Mamou?
Mamou receives on average 1,938 mm of precipitation per year, spread over about 180 rainy days.
Is it sunny in Mamou?
Mamou gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Mamou?
Yes: Mamou has on average 153 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mamou?
In Mamou, between 1940 and 2025, the highest apparent temperature reached 41.5 °C on 12 April 2024, and the lowest was 9.1 °C on 9 January 1957.
Compare Mamou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mamou