Léo climate — normals and trends
Léo (Burkina Faso) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 27.6 °C and it receives 813 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 (31.2 °C on average) and the coldest is August (24.9 °C). Rainfall peaks in August.
Léo averages 0 frost days, 289 hot days (≥ 30 °C) and 123 rainy days per year.
Léo has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 43.0 °C (on 2 April 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
LéoCentre-Ouest Region
- coords
- 11.10°, -2.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.6°C
Average daily high
33.2°C
Average daily low
22.6°C
Annual rainfall
813mm
Sunshine / day
10.7h
Mean relative humidity
55%
Average peak wind
14.3km/h
Seasonal range
6.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
289 d/yr
Rainy days (≥ 1 mm)
123 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.7 °C
Average feels-like low
23.4 °C
Average peak gust
31.9 km/h
Tropical nights (≥ 20 °C)
314 d/yr
Solar radiation
20.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.65 · 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
43.0 °C
2 April 2024
Coldest day
13.4 °C
9 January 1957
Wettest day
111 mm
11 August 1999
Windiest day
30.6 km/h
24 January 1992
Strongest gust
61.9 km/h
24 January 1992
Hottest feels-like
47.2 °C
25 April 2025
Coldest feels-like
8.7 °C
9 January 1957
Sunniest day
12.2 h
9 July 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 | 35.4 °C | +1.8 °C | 0 mm | -1 mm |
| Feb | 36.9 °C | +1.0 °C | 0 mm | -2 mm |
| Mar | 39.3 °C | +1.7 °C | 7 mm | -6 mm |
| Apr | 38.3 °C | +1.3 °C | 14 mm | -27 mm |
| May | 35.2 °C | +0.3 °C | 33 mm | -37 mm |
| Jun | 33.1 °C | +1.1 °C | 38 mm | -49 mm |
| Jul | 29.4 °C | -0.2 °C | 225 mm | +70 mm |
| Aug | 28.9 °C | +0.4 °C | 240 mm | +20 mm |
| Sep | 29.6 °C | +0.2 °C | 170 mm | +8 mm |
| Oct | 33.5 °C | +1.5 °C | 34 mm | -22 mm |
| Nov | 35.7 °C | +1.4 °C | 2 mm | -3 mm |
| Dec | 35.2 °C | +1.6 °C | 0 mm | -1 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 Léo?
Léo has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 27.6 °C and it receives 813 mm of precipitation per year.
What is the hottest day ever recorded in Léo?
The hottest day measured in Léo between 1940 and 2025 was 2 April 2024, reaching 43.0 °C.
What is the coldest day in Léo?
The coldest day measured in Léo between 1940 and 2025 was 9 January 1957, at 13.4 °C.
Does it snow in Léo?
Almost never: Léo sees virtually no snow, with about 0 frost days per year.
Has the climate of Léo warmed?
Yes: Léo warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Léo?
The wettest day measured in Léo between 1940 and 2025 was 11 August 1999, with 111 mm of rain in 24 hours.
What was the windiest day in Léo?
The windiest day measured in Léo between 1940 and 2025 was 24 January 1992, with winds reaching 30.6 km/h.
What is the warmest month in Léo?
The warmest month in Léo is April (31.2 °C on average); the coldest is August (24.9 °C).
How much does it rain in Léo?
Léo receives on average 813 mm of precipitation per year, spread over about 123 rainy days.
Is it sunny in Léo?
Léo gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Léo?
Yes: Léo has on average 314 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Léo?
In Léo, between 1940 and 2025, the highest apparent temperature reached 47.2 °C on 25 April 2025, and the lowest was 8.7 °C on 9 January 1957.
Compare Léo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Léo