Boukoumbé climate — normals and trends
Boukoumbé (Benin) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 1,018 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 March (30.5 °C on average) and the coldest is August (24.7 °C). Rainfall peaks in August.
Boukoumbé averages 0 frost days, 277 hot days (≥ 30 °C) and 143 rainy days per year.
Boukoumbé has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.9 °C (on 16 March 2024) and the coldest 13.4 °C (on 9 January 1957).
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
BoukoumbéAtakora Department
- coords
- 10.18°, 1.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.1°C
Average daily high
32.8°C
Average daily low
22.1°C
Annual rainfall
1,018mm
Sunshine / day
10.4h
Mean relative humidity
61%
Average peak wind
12.4km/h
Seasonal range
5.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
277 d/yr
Rainy days (≥ 1 mm)
143 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.1 °C
Average feels-like low
23.7 °C
Average peak gust
28.8 km/h
Tropical nights (≥ 20 °C)
299 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.70 · 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
41.9 °C
16 March 2024
Coldest day
13.4 °C
9 January 1957
Wettest day
132 mm
29 August 2009
Windiest day
30.2 km/h
17 April 2011
Strongest gust
54.7 km/h
17 April 2011
Hottest feels-like
46.0 °C
15 April 2010
Coldest feels-like
9.1 °C
9 January 1957
Sunniest day
12.0 h
20 March 1940
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 | 35.3 °C | +1.2 °C | 0 mm | -1 mm |
| Feb | 37.1 °C | +1.0 °C | 0 mm | -5 mm |
| Mar | 37.6 °C | +0.6 °C | 10 mm | -13 mm |
| Apr | 36.5 °C | +0.6 °C | 42 mm | -19 mm |
| May | 33.9 °C | +0.2 °C | 34 mm | -55 mm |
| Jun | 32.3 °C | +0.9 °C | 64 mm | -26 mm |
| Jul | 29.3 °C | +0.2 °C | 216 mm | +50 mm |
| Aug | 28.3 °C | +0.2 °C | 263 mm | +16 mm |
| Sep | 29.4 °C | +0.4 °C | 217 mm | -4 mm |
| Oct | 31.3 °C | +0.3 °C | 112 mm | +7 mm |
| Nov | 34.8 °C | +1.1 °C | 2 mm | -8 mm |
| Dec | 35.6 °C | +1.7 °C | 0 mm | -2 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 Boukoumbé?
Boukoumbé has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 1,018 mm of precipitation per year.
What is the hottest day ever recorded in Boukoumbé?
The hottest day measured in Boukoumbé between 1940 and 2025 was 16 March 2024, reaching 41.9 °C.
What is the coldest day in Boukoumbé?
The coldest day measured in Boukoumbé between 1940 and 2025 was 9 January 1957, at 13.4 °C.
Does it snow in Boukoumbé?
Almost never: Boukoumbé sees virtually no snow, with about 0 frost days per year.
Has the climate of Boukoumbé warmed?
Yes: Boukoumbé warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Boukoumbé?
The wettest day measured in Boukoumbé between 1940 and 2025 was 29 August 2009, with 132 mm of rain in 24 hours.
What was the windiest day in Boukoumbé?
The windiest day measured in Boukoumbé between 1940 and 2025 was 17 April 2011, with winds reaching 30.2 km/h.
What is the warmest month in Boukoumbé?
The warmest month in Boukoumbé is March (30.5 °C on average); the coldest is August (24.7 °C).
How much does it rain in Boukoumbé?
Boukoumbé receives on average 1,018 mm of precipitation per year, spread over about 143 rainy days.
Is it sunny in Boukoumbé?
Boukoumbé gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Boukoumbé?
Yes: Boukoumbé has on average 299 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Boukoumbé?
In Boukoumbé, between 1940 and 2025, the highest apparent temperature reached 46.0 °C on 15 April 2010, and the lowest was 9.1 °C on 9 January 1957.
Compare Boukoumbé with another city
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Nearby cities
The climate around Boukoumbé