Bianouan climate — normals and trends
Bianouan (Ivory Coast) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.3 °C and it receives 1,553 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 February (26.7 °C on average) and the coldest is August (23.9 °C). Rainfall peaks in June.
Bianouan averages 0 frost days, 180 hot days (≥ 30 °C) and 271 rainy days per year.
Bianouan has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.7 °C (on 16 February 2024) and the coldest 15.3 °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
BianouanComoé District
- coords
- 6.01°, -3.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.3°C
Average daily high
29.9°C
Average daily low
22.3°C
Annual rainfall
1,553mm
Sunshine / day
8.7h
Mean relative humidity
86%
Average peak wind
10.4km/h
Seasonal range
2.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
180 d/yr
Rainy days (≥ 1 mm)
271 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.4 °C
Average feels-like low
26.3 °C
Average peak gust
26.4 km/h
Tropical nights (≥ 20 °C)
354 d/yr
Solar radiation
15.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.86 · 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
37.7 °C
16 February 2024
Coldest day
15.3 °C
9 January 1957
Wettest day
148 mm
5 June 2014
Windiest day
20.2 km/h
27 August 2022
Strongest gust
50.0 km/h
29 June 1988
Hottest feels-like
44.4 °C
15 February 2024
Coldest feels-like
12.6 °C
9 January 1957
Sunniest day
12.0 h
4 July 1954
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 | 34.3 °C | +2.8 °C | 33 mm | -14 mm |
| Feb | 34.2 °C | +2.0 °C | 57 mm | -23 mm |
| Mar | 33.8 °C | +2.0 °C | 98 mm | -48 mm |
| Apr | 32.6 °C | +1.4 °C | 108 mm | -55 mm |
| May | 31.6 °C | +1.3 °C | 153 mm | -34 mm |
| Jun | 30.1 °C | +1.4 °C | 212 mm | +17 mm |
| Jul | 28.7 °C | +1.0 °C | 60 mm | -82 mm |
| Aug | 27.3 °C | -0.3 °C | 50 mm | -48 mm |
| Sep | 29.4 °C | +1.0 °C | 125 mm | -18 mm |
| Oct | 30.4 °C | +1.0 °C | 181 mm | +0 mm |
| Nov | 31.2 °C | +1.0 °C | 92 mm | -21 mm |
| Dec | 31.0 °C | +0.6 °C | 66 mm | +8 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 Bianouan?
Bianouan has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.3 °C and it receives 1,553 mm of precipitation per year.
What is the hottest day ever recorded in Bianouan?
The hottest day measured in Bianouan between 1940 and 2025 was 16 February 2024, reaching 37.7 °C.
What is the coldest day in Bianouan?
The coldest day measured in Bianouan between 1940 and 2025 was 9 January 1957, at 15.3 °C.
Does it snow in Bianouan?
Almost never: Bianouan sees virtually no snow, with about 0 frost days per year.
Has the climate of Bianouan warmed?
Yes: Bianouan warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bianouan?
The wettest day measured in Bianouan between 1940 and 2025 was 5 June 2014, with 148 mm of rain in 24 hours.
What was the windiest day in Bianouan?
The windiest day measured in Bianouan between 1940 and 2025 was 27 August 2022, with winds reaching 20.2 km/h.
What is the warmest month in Bianouan?
The warmest month in Bianouan is February (26.7 °C on average); the coldest is August (23.9 °C).
How much does it rain in Bianouan?
Bianouan receives on average 1,553 mm of precipitation per year, spread over about 271 rainy days.
Is it sunny in Bianouan?
Bianouan gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
Are there tropical nights in Bianouan?
Yes: Bianouan has on average 354 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bianouan?
In Bianouan, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 15 February 2024, and the lowest was 12.6 °C on 9 January 1957.
Compare Bianouan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bianouan