Bonoua climate — normals and trends
Bonoua (Ivory Coast) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 1,642 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 (27.2 °C on average) and the coldest is August (24.1 °C). Rainfall peaks in June.
Bonoua averages 0 frost days, 18 hot days (≥ 30 °C) and 299 rainy days per year.
Bonoua has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.7 °C (on 3 March 1983) and the coldest 20.9 °C (on 6 September 1943).
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
BonouaComoé District
- coords
- 5.27°, -3.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
27.6°C
Average daily low
24.6°C
Annual rainfall
1,642mm
Sunshine / day
9.9h
Mean relative humidity
87%
Average peak wind
14.1km/h
Seasonal range
3.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
18 d/yr
Rainy days (≥ 1 mm)
299 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.9 °C
Average feels-like low
28.8 °C
Average peak gust
28.0 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
17.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.82 · 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
32.7 °C
3 March 1983
Coldest day
20.9 °C
6 September 1943
Wettest day
254 mm
9 May 2014
Windiest day
28.0 km/h
10 June 1955
Strongest gust
46.4 km/h
14 July 1943
Hottest feels-like
39.8 °C
27 March 2024
Coldest feels-like
20.3 °C
4 January 2020
Sunniest day
12.0 h
2 July 1942
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 | 29.9 °C | +1.5 °C | 69 mm | -3 mm |
| Feb | 29.8 °C | +1.0 °C | 66 mm | -19 mm |
| Mar | 29.9 °C | +0.9 °C | 66 mm | -63 mm |
| Apr | 29.8 °C | +0.8 °C | 119 mm | -36 mm |
| May | 29.4 °C | +1.0 °C | 310 mm | +74 mm |
| Jun | 27.9 °C | +1.0 °C | 326 mm | +60 mm |
| Jul | 26.5 °C | +0.6 °C | 66 mm | -88 mm |
| Aug | 25.2 °C | -0.1 °C | 74 mm | -10 mm |
| Sep | 26.7 °C | +0.9 °C | 72 mm | -33 mm |
| Oct | 27.9 °C | +0.9 °C | 200 mm | +67 mm |
| Nov | 29.0 °C | +0.8 °C | 100 mm | -26 mm |
| Dec | 28.9 °C | +0.6 °C | 121 mm | +25 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 Bonoua?
Bonoua has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 1,642 mm of precipitation per year.
What is the hottest day ever recorded in Bonoua?
The hottest day measured in Bonoua between 1940 and 2025 was 3 March 1983, reaching 32.7 °C.
What is the coldest day in Bonoua?
The coldest day measured in Bonoua between 1940 and 2025 was 6 September 1943, at 20.9 °C.
Does it snow in Bonoua?
Almost never: Bonoua sees virtually no snow, with about 0 frost days per year.
Has the climate of Bonoua warmed?
Yes: Bonoua warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bonoua?
The wettest day measured in Bonoua between 1940 and 2025 was 9 May 2014, with 254 mm of rain in 24 hours.
What was the windiest day in Bonoua?
The windiest day measured in Bonoua between 1940 and 2025 was 10 June 1955, with winds reaching 28.0 km/h.
What is the warmest month in Bonoua?
The warmest month in Bonoua is March (27.2 °C on average); the coldest is August (24.1 °C).
How much does it rain in Bonoua?
Bonoua receives on average 1,642 mm of precipitation per year, spread over about 299 rainy days.
Is it sunny in Bonoua?
Bonoua gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Bonoua?
Yes: Bonoua has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bonoua?
In Bonoua, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 27 March 2024, and the lowest was 20.3 °C on 4 January 2020.
Compare Bonoua with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bonoua