Tchaourou climate — normals and trends
Tchaourou (Benin) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 1,206 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 (24.3 °C). Rainfall peaks in August.
Tchaourou averages 0 frost days, 280 hot days (≥ 30 °C) and 158 rainy days per year.
Tchaourou has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.5 °C (on 16 March 2024) and the coldest 13.2 °C (on 7 January 1962).
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
TchaourouBorgou Department
- coords
- 8.89°, 2.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.4°C
Average daily high
32.3°C
Average daily low
21.9°C
Annual rainfall
1,206mm
Sunshine / day
9.8h
Mean relative humidity
69%
Average peak wind
11.2km/h
Seasonal range
4.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
280 d/yr
Rainy days (≥ 1 mm)
158 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.0 °C
Average feels-like low
24.3 °C
Average peak gust
26.5 km/h
Tropical nights (≥ 20 °C)
313 d/yr
Solar radiation
18.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.83 · 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 2024
Coldest day
13.2 °C
7 January 1962
Wettest day
134 mm
6 August 2002
Windiest day
22.8 km/h
31 March 2017
Strongest gust
52.2 km/h
8 October 2016
Hottest feels-like
45.5 °C
31 March 2024
Coldest feels-like
9.7 °C
9 January 1957
Sunniest day
12.1 h
23 May 1944
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 | 35.0 °C | +1.3 °C | 0 mm | -2 mm |
| Feb | 36.4 °C | +1.0 °C | 1 mm | -8 mm |
| Mar | 37.2 °C | +1.4 °C | 6 mm | -36 mm |
| Apr | 35.9 °C | +1.6 °C | 36 mm | -58 mm |
| May | 33.5 °C | +1.0 °C | 100 mm | -33 mm |
| Jun | 31.9 °C | +1.4 °C | 104 mm | -38 mm |
| Jul | 29.5 °C | +0.6 °C | 206 mm | -2 mm |
| Aug | 28.7 °C | +0.3 °C | 258 mm | +29 mm |
| Sep | 30.7 °C | +1.1 °C | 176 mm | -43 mm |
| Oct | 32.4 °C | +1.1 °C | 72 mm | -37 mm |
| Nov | 34.8 °C | +1.4 °C | 7 mm | -8 mm |
| Dec | 35.2 °C | +1.7 °C | 0 mm | -4 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 Tchaourou?
Tchaourou has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 1,206 mm of precipitation per year.
What is the hottest day ever recorded in Tchaourou?
The hottest day measured in Tchaourou between 1940 and 2025 was 16 March 2024, reaching 40.5 °C.
What is the coldest day in Tchaourou?
The coldest day measured in Tchaourou between 1940 and 2025 was 7 January 1962, at 13.2 °C.
Does it snow in Tchaourou?
Almost never: Tchaourou sees virtually no snow, with about 0 frost days per year.
Has the climate of Tchaourou warmed?
Yes: Tchaourou warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tchaourou?
The wettest day measured in Tchaourou between 1940 and 2025 was 6 August 2002, with 134 mm of rain in 24 hours.
What was the windiest day in Tchaourou?
The windiest day measured in Tchaourou between 1940 and 2025 was 31 March 2017, with winds reaching 22.8 km/h.
What is the warmest month in Tchaourou?
The warmest month in Tchaourou is March (29.1 °C on average); the coldest is August (24.3 °C).
How much does it rain in Tchaourou?
Tchaourou receives on average 1,206 mm of precipitation per year, spread over about 158 rainy days.
Is it sunny in Tchaourou?
Tchaourou gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
Are there tropical nights in Tchaourou?
Yes: Tchaourou has on average 313 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tchaourou?
In Tchaourou, between 1940 and 2025, the highest apparent temperature reached 45.5 °C on 31 March 2024, and the lowest was 9.7 °C on 9 January 1957.
Compare Tchaourou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tchaourou