Bassila climate — normals and trends
Bassila (Benin) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 1,451 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 (29.1 °C on average) and the coldest is August (24.1 °C). Rainfall peaks in August.
Bassila averages 0 frost days, 278 hot days (≥ 30 °C) and 174 rainy days per year.
Bassila has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.5 °C (on 16 March 1966) and the coldest 14.2 °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
BassilaDonga
- coords
- 9.01°, 1.67°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.4°C
Average daily high
32.3°C
Average daily low
21.7°C
Annual rainfall
1,451mm
Sunshine / day
10.1h
Mean relative humidity
68%
Average peak wind
10.5km/h
Seasonal range
5.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
278 d/yr
Rainy days (≥ 1 mm)
174 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.8 °C
Average feels-like low
24.1 °C
Average peak gust
26.8 km/h
Tropical nights (≥ 20 °C)
318 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.82 · 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
40.5 °C
16 March 1966
Coldest day
14.2 °C
9 January 1957
Wettest day
182 mm
8 October 2019
Windiest day
22.0 km/h
29 April 1945
Strongest gust
50.8 km/h
21 October 1956
Hottest feels-like
45.1 °C
20 April 2024
Coldest feels-like
9.7 °C
9 January 1957
Sunniest day
12.0 h
24 May 1959
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 | 35.2 °C | +1.0 °C | 0 mm | -2 mm |
| Feb | 37.0 °C | +1.3 °C | 0 mm | -10 mm |
| Mar | 37.7 °C | +1.9 °C | 9 mm | -40 mm |
| Apr | 35.5 °C | +1.5 °C | 54 mm | -60 mm |
| May | 32.8 °C | +0.6 °C | 132 mm | -35 mm |
| Jun | 31.6 °C | +1.3 °C | 141 mm | -41 mm |
| Jul | 29.1 °C | +0.4 °C | 208 mm | -44 mm |
| Aug | 28.7 °C | +0.3 °C | 258 mm | -31 mm |
| Sep | 30.5 °C | +0.9 °C | 236 mm | -15 mm |
| Oct | 32.5 °C | +1.0 °C | 77 mm | -40 mm |
| Nov | 35.2 °C | +1.4 °C | 2 mm | -13 mm |
| Dec | 35.6 °C | +1.7 °C | 0 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 Bassila?
Bassila has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 1,451 mm of precipitation per year.
What is the hottest day ever recorded in Bassila?
The hottest day measured in Bassila between 1940 and 2025 was 16 March 1966, reaching 40.5 °C.
What is the coldest day in Bassila?
The coldest day measured in Bassila between 1940 and 2025 was 9 January 1957, at 14.2 °C.
Does it snow in Bassila?
Almost never: Bassila sees virtually no snow, with about 0 frost days per year.
Has the climate of Bassila warmed?
Yes: Bassila warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bassila?
The wettest day measured in Bassila between 1940 and 2025 was 8 October 2019, with 182 mm of rain in 24 hours.
What was the windiest day in Bassila?
The windiest day measured in Bassila between 1940 and 2025 was 29 April 1945, with winds reaching 22.0 km/h.
What is the warmest month in Bassila?
The warmest month in Bassila is March (29.1 °C on average); the coldest is August (24.1 °C).
How much does it rain in Bassila?
Bassila receives on average 1,451 mm of precipitation per year, spread over about 174 rainy days.
Is it sunny in Bassila?
Bassila gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Bassila?
Yes: Bassila has on average 318 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bassila?
In Bassila, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 20 April 2024, and the lowest was 9.7 °C on 9 January 1957.
Compare Bassila with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bassila