Pa climate — normals and trends
Pa (Burkina Faso) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 28.2 °C and it receives 640 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 (32.7 °C on average) and the coldest is January (24.4 °C). Rainfall peaks in August.
Pa averages 0 frost days, 322 hot days (≥ 30 °C) and 95 rainy days per year.
Pa 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 10.3 °C (on 10 January 1963).
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
PaBoucle du Mouhoun
- coords
- 12.67°, -3.95°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.2°C
Average daily high
34.4°C
Average daily low
22.4°C
Annual rainfall
640mm
Sunshine / day
10.9h
Mean relative humidity
47%
Average peak wind
14.3km/h
Seasonal range
8.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
322 d/yr
Rainy days (≥ 1 mm)
95 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.0 °C
Average feels-like low
22.7 °C
Average peak gust
31.5 km/h
Tropical nights (≥ 20 °C)
274 d/yr
Solar radiation
21.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.67 · 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
10.3 °C
10 January 1963
Wettest day
142 mm
28 July 1963
Windiest day
35.5 km/h
27 May 1946
Strongest gust
67.0 km/h
27 May 1946
Hottest feels-like
47.3 °C
25 April 2025
Coldest feels-like
6.5 °C
13 January 1957
Sunniest day
12.6 h
13 July 2009
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 | 32.7 °C | +0.5 °C | 0 mm | -1 mm |
| Feb | 35.5 °C | +0.4 °C | 0 mm | -0 mm |
| Mar | 40.4 °C | +2.5 °C | 1 mm | -2 mm |
| Apr | 40.2 °C | +1.1 °C | 3 mm | -9 mm |
| May | 38.5 °C | +0.2 °C | 6 mm | -25 mm |
| Jun | 35.6 °C | +0.3 °C | 55 mm | -13 mm |
| Jul | 31.7 °C | 0.0 °C | 227 mm | +71 mm |
| Aug | 29.9 °C | -0.2 °C | 152 mm | -55 mm |
| Sep | 31.2 °C | +0.1 °C | 146 mm | +20 mm |
| Oct | 35.9 °C | +1.3 °C | 10 mm | -23 mm |
| Nov | 36.4 °C | +1.2 °C | 0 mm | -1 mm |
| Dec | 33.3 °C | +0.8 °C | 7 mm | +7 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 Pa?
Pa has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.2 °C and it receives 640 mm of precipitation per year.
What is the hottest day ever recorded in Pa?
The hottest day measured in Pa between 1940 and 2025 was 6 May 2019, reaching 44.7 °C.
What is the coldest day in Pa?
The coldest day measured in Pa between 1940 and 2025 was 10 January 1963, at 10.3 °C.
Does it snow in Pa?
Almost never: Pa sees virtually no snow, with about 0 frost days per year.
Has the climate of Pa warmed?
Yes: Pa warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pa?
The wettest day measured in Pa between 1940 and 2025 was 28 July 1963, with 142 mm of rain in 24 hours.
What was the windiest day in Pa?
The windiest day measured in Pa between 1940 and 2025 was 27 May 1946, with winds reaching 35.5 km/h.
What is the warmest month in Pa?
The warmest month in Pa is April (32.7 °C on average); the coldest is January (24.4 °C).
How much does it rain in Pa?
Pa receives on average 640 mm of precipitation per year, spread over about 95 rainy days.
Is it sunny in Pa?
Pa gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Pa?
Yes: Pa has on average 274 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pa?
In Pa, between 1940 and 2025, the highest apparent temperature reached 47.3 °C on 25 April 2025, and the lowest was 6.5 °C on 13 January 1957.
Compare Pa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pa