Bouna climate — normals and trends
Bouna (Ivory Coast) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 871 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 (30.0 °C on average) and the coldest is August (24.8 °C). Rainfall peaks in August.
Bouna averages 0 frost days, 285 hot days (≥ 30 °C) and 145 rainy days per year.
Bouna has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.3 °C (on 26 March 1983) and the coldest 13.6 °C (on 13 December 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
BounaZanzan District
- coords
- 9.27°, -3.00°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.1°C
Average daily high
32.8°C
Average daily low
22.3°C
Annual rainfall
871mm
Sunshine / day
10.4h
Mean relative humidity
62%
Average peak wind
13.3km/h
Seasonal range
5.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
285 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.9 °C
Average feels-like low
24.1 °C
Average peak gust
30.5 km/h
Tropical nights (≥ 20 °C)
323 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °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
41.3 °C
26 March 1983
Coldest day
13.6 °C
13 December 1963
Wettest day
126 mm
21 July 2019
Windiest day
26.9 km/h
24 January 1992
Strongest gust
54.4 km/h
24 January 1992
Hottest feels-like
46.3 °C
25 April 2025
Coldest feels-like
9.6 °C
14 January 1957
Sunniest day
12.3 h
5 July 1949
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 | 35.2 °C | +0.8 °C | 0 mm | -3 mm |
| Feb | 36.7 °C | +0.5 °C | 3 mm | -8 mm |
| Mar | 38.0 °C | +1.5 °C | 22 mm | -22 mm |
| Apr | 36.9 °C | +1.8 °C | 22 mm | -58 mm |
| May | 34.6 °C | +1.2 °C | 48 mm | -44 mm |
| Jun | 32.4 °C | +1.1 °C | 66 mm | -26 mm |
| Jul | 29.8 °C | +0.4 °C | 77 mm | -47 mm |
| Aug | 29.6 °C | +0.9 °C | 122 mm | -45 mm |
| Sep | 30.5 °C | +1.2 °C | 152 mm | -7 mm |
| Oct | 33.9 °C | +2.5 °C | 45 mm | -31 mm |
| Nov | 35.8 °C | +1.9 °C | 6 mm | -10 mm |
| Dec | 35.0 °C | +1.0 °C | 4 mm | -2 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 Bouna?
Bouna has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 871 mm of precipitation per year.
What is the hottest day ever recorded in Bouna?
The hottest day measured in Bouna between 1940 and 2025 was 26 March 1983, reaching 41.3 °C.
What is the coldest day in Bouna?
The coldest day measured in Bouna between 1940 and 2025 was 13 December 1963, at 13.6 °C.
Does it snow in Bouna?
Almost never: Bouna sees virtually no snow, with about 0 frost days per year.
Has the climate of Bouna warmed?
Yes: Bouna warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bouna?
The wettest day measured in Bouna between 1940 and 2025 was 21 July 2019, with 126 mm of rain in 24 hours.
What was the windiest day in Bouna?
The windiest day measured in Bouna between 1940 and 2025 was 24 January 1992, with winds reaching 26.9 km/h.
What is the warmest month in Bouna?
The warmest month in Bouna is March (30.0 °C on average); the coldest is August (24.8 °C).
How much does it rain in Bouna?
Bouna receives on average 871 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Bouna?
Bouna gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Bouna?
Yes: Bouna has on average 323 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bouna?
In Bouna, between 1940 and 2025, the highest apparent temperature reached 46.3 °C on 25 April 2025, and the lowest was 9.6 °C on 14 January 1957.
Compare Bouna with another city
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Nearby cities
The climate around Bouna