Bittou climate — normals and trends
Bittou (Burkina Faso) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 28.5 °C and it receives 651 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 (32.5 °C on average) and the coldest is August (25.6 °C). Rainfall peaks in August.
Bittou averages 0 frost days, 312 hot days (≥ 30 °C) and 101 rainy days per year.
Bittou has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 43.2 °C (on 9 April 1983) and the coldest 13.7 °C (on 14 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
BittouCentre-Est Region
- coords
- 11.26°, -0.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.5°C
Average daily high
34.1°C
Average daily low
23.3°C
Annual rainfall
651mm
Sunshine / day
10.8h
Mean relative humidity
51%
Average peak wind
14.6km/h
Seasonal range
6.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
312 d/yr
Rainy days (≥ 1 mm)
101 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.4 °C
Average feels-like low
24.1 °C
Average peak gust
31.9 km/h
Tropical nights (≥ 20 °C)
324 d/yr
Solar radiation
21.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.66 · 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
43.2 °C
9 April 1983
Coldest day
13.7 °C
14 January 1957
Wettest day
117 mm
4 June 1996
Windiest day
31.1 km/h
24 January 1992
Strongest gust
63.0 km/h
4 September 2002
Hottest feels-like
47.3 °C
6 April 1969
Coldest feels-like
9.1 °C
9 January 1957
Sunniest day
12.0 h
19 July 2025
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 35.6 °C | +1.6 °C | 0 mm | -0 mm |
| Feb | 37.4 °C | +1.0 °C | 0 mm | -2 mm |
| Mar | 40.1 °C | +1.8 °C | 1 mm | -7 mm |
| Apr | 39.8 °C | +1.6 °C | 7 mm | -19 mm |
| May | 36.9 °C | +0.6 °C | 18 mm | -33 mm |
| Jun | 34.6 °C | +1.1 °C | 47 mm | -17 mm |
| Jul | 30.5 °C | -0.1 °C | 121 mm | -7 mm |
| Aug | 29.4 °C | +0.2 °C | 274 mm | +77 mm |
| Sep | 30.3 °C | +0.2 °C | 119 mm | -13 mm |
| Oct | 34.5 °C | +1.2 °C | 10 mm | -30 mm |
| Nov | 36.5 °C | +1.1 °C | 0 mm | -3 mm |
| Dec | 35.8 °C | +1.7 °C | 0 mm | -0 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 Bittou?
Bittou has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 651 mm of precipitation per year.
What is the hottest day ever recorded in Bittou?
The hottest day measured in Bittou between 1940 and 2025 was 9 April 1983, reaching 43.2 °C.
What is the coldest day in Bittou?
The coldest day measured in Bittou between 1940 and 2025 was 14 January 1957, at 13.7 °C.
Does it snow in Bittou?
Almost never: Bittou sees virtually no snow, with about 0 frost days per year.
Has the climate of Bittou warmed?
Yes: Bittou warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bittou?
The wettest day measured in Bittou between 1940 and 2025 was 4 June 1996, with 117 mm of rain in 24 hours.
What was the windiest day in Bittou?
The windiest day measured in Bittou between 1940 and 2025 was 24 January 1992, with winds reaching 31.1 km/h.
What is the warmest month in Bittou?
The warmest month in Bittou is April (32.5 °C on average); the coldest is August (25.6 °C).
How much does it rain in Bittou?
Bittou receives on average 651 mm of precipitation per year, spread over about 101 rainy days.
Is it sunny in Bittou?
Bittou gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Bittou?
Yes: Bittou has on average 324 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bittou?
In Bittou, between 1940 and 2025, the highest apparent temperature reached 47.3 °C on 6 April 1969, and the lowest was 9.1 °C on 9 January 1957.
Compare Bittou with another city
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Nearby cities
The climate around Bittou