Dédougou climate — normals and trends
Dédougou (Burkina Faso) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 28.4 °C and it receives 674 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 (32.9 °C on average) and the coldest is January (25.1 °C). Rainfall peaks in August.
Dédougou averages 0 frost days, 323 hot days (≥ 30 °C) and 97 rainy days per year.
Dédougou has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 44.7 °C (on 6 May 2019) and the coldest 11.4 °C (on 28 December 1960).
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
DédougouBoucle du Mouhoun
- coords
- 12.46°, -3.46°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.4°C
Average daily high
34.6°C
Average daily low
22.7°C
Annual rainfall
674mm
Sunshine / day
10.9h
Mean relative humidity
48%
Average peak wind
14.6km/h
Seasonal range
7.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
323 d/yr
Rainy days (≥ 1 mm)
97 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.3 °C
Average feels-like low
23.1 °C
Average peak gust
31.8 km/h
Tropical nights (≥ 20 °C)
284 d/yr
Solar radiation
21.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.68 · 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
44.7 °C
6 May 2019
Coldest day
11.4 °C
28 December 1960
Wettest day
111 mm
6 September 2010
Windiest day
35.3 km/h
24 May 1940
Strongest gust
63.0 km/h
26 March 2008
Hottest feels-like
48.1 °C
25 April 2025
Coldest feels-like
7.0 °C
28 December 1960
Sunniest day
12.5 h
13 July 2004
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 | 34.0 °C | +1.1 °C | 0 mm | -1 mm |
| Feb | 36.6 °C | +0.9 °C | 0 mm | -0 mm |
| Mar | 40.9 °C | +2.6 °C | 1 mm | -3 mm |
| Apr | 40.6 °C | +1.3 °C | 3 mm | -12 mm |
| May | 38.3 °C | +0.1 °C | 15 mm | -26 mm |
| Jun | 35.6 °C | +0.6 °C | 62 mm | -11 mm |
| Jul | 31.5 °C | -0.1 °C | 217 mm | +58 mm |
| Aug | 29.8 °C | -0.1 °C | 172 mm | -38 mm |
| Sep | 31.0 °C | 0.0 °C | 118 mm | -16 mm |
| Oct | 36.0 °C | +1.6 °C | 16 mm | -20 mm |
| Nov | 36.8 °C | +1.3 °C | 0 mm | -2 mm |
| Dec | 34.4 °C | +1.2 °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 Dédougou?
Dédougou has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.4 °C and it receives 674 mm of precipitation per year.
What is the hottest day ever recorded in Dédougou?
The hottest day measured in Dédougou between 1940 and 2025 was 6 May 2019, reaching 44.7 °C.
What is the coldest day in Dédougou?
The coldest day measured in Dédougou between 1940 and 2025 was 28 December 1960, at 11.4 °C.
Does it snow in Dédougou?
Almost never: Dédougou sees virtually no snow, with about 0 frost days per year.
Has the climate of Dédougou warmed?
Yes: Dédougou warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dédougou?
The wettest day measured in Dédougou between 1940 and 2025 was 6 September 2010, with 111 mm of rain in 24 hours.
What was the windiest day in Dédougou?
The windiest day measured in Dédougou between 1940 and 2025 was 24 May 1940, with winds reaching 35.3 km/h.
What is the warmest month in Dédougou?
The warmest month in Dédougou is April (32.9 °C on average); the coldest is January (25.1 °C).
How much does it rain in Dédougou?
Dédougou receives on average 674 mm of precipitation per year, spread over about 97 rainy days.
Is it sunny in Dédougou?
Dédougou gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Dédougou?
Yes: Dédougou has on average 284 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dédougou?
In Dédougou, between 1940 and 2025, the highest apparent temperature reached 48.1 °C on 25 April 2025, and the lowest was 7.0 °C on 28 December 1960.
Compare Dédougou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dédougou