Bouansa climate — normals and trends
Bouansa (Congo Republic) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.2 °C and it receives 1,046 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 (25.3 °C on average) and the coldest is July (22.1 °C). Rainfall peaks in December.
Bouansa averages 0 frost days, 123 hot days (≥ 30 °C) and 170 rainy days per year.
Bouansa has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.9 °C (on 4 March 2010) and the coldest 7.6 °C (on 18 July 1950).
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
BouansaBouenza Department
- coords
- -4.22°, 13.76°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.2°C
Average daily high
29.1°C
Average daily low
20.6°C
Annual rainfall
1,046mm
Sunshine / day
8.7h
Mean relative humidity
80%
Average peak wind
8.3km/h
Seasonal range
3.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
123 d/yr
Rainy days (≥ 1 mm)
170 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.2 °C
Average feels-like low
23.8 °C
Average peak gust
23.2 km/h
Tropical nights (≥ 20 °C)
266 d/yr
Solar radiation
16.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.60 · 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
35.9 °C
4 March 2010
Coldest day
7.6 °C
18 July 1950
Wettest day
130 mm
23 November 1967
Windiest day
18.4 km/h
22 August 1950
Strongest gust
46.1 km/h
26 April 2004
Hottest feels-like
43.3 °C
1 February 1998
Coldest feels-like
6.4 °C
18 July 1950
Sunniest day
12.0 h
13 September 1940
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 | 30.6 °C | +1.4 °C | 105 mm | -22 mm |
| Feb | 31.1 °C | +1.1 °C | 128 mm | +15 mm |
| Mar | 30.9 °C | +0.6 °C | 144 mm | +13 mm |
| Apr | 31.2 °C | +1.1 °C | 168 mm | +12 mm |
| May | 30.4 °C | +1.1 °C | 144 mm | +45 mm |
| Jun | 28.7 °C | +0.9 °C | 10 mm | +5 mm |
| Jul | 26.5 °C | -0.9 °C | 2 mm | +1 mm |
| Aug | 27.6 °C | -0.3 °C | 1 mm | -2 mm |
| Sep | 29.1 °C | +0.2 °C | 10 mm | -6 mm |
| Oct | 30.6 °C | +0.9 °C | 43 mm | -34 mm |
| Nov | 30.4 °C | +1.2 °C | 198 mm | +41 mm |
| Dec | 30.3 °C | +1.4 °C | 157 mm | -5 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 Bouansa?
Bouansa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.2 °C and it receives 1,046 mm of precipitation per year.
What is the hottest day ever recorded in Bouansa?
The hottest day measured in Bouansa between 1940 and 2025 was 4 March 2010, reaching 35.9 °C.
What is the coldest day in Bouansa?
The coldest day measured in Bouansa between 1940 and 2025 was 18 July 1950, at 7.6 °C.
Does it snow in Bouansa?
Almost never: Bouansa sees virtually no snow, with about 0 frost days per year.
Has the climate of Bouansa warmed?
Yes: Bouansa warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bouansa?
The wettest day measured in Bouansa between 1940 and 2025 was 23 November 1967, with 130 mm of rain in 24 hours.
What was the windiest day in Bouansa?
The windiest day measured in Bouansa between 1940 and 2025 was 22 August 1950, with winds reaching 18.4 km/h.
What is the warmest month in Bouansa?
The warmest month in Bouansa is March (25.3 °C on average); the coldest is July (22.1 °C).
How much does it rain in Bouansa?
Bouansa receives on average 1,046 mm of precipitation per year, spread over about 170 rainy days.
Is it sunny in Bouansa?
Bouansa gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
Are there tropical nights in Bouansa?
Yes: Bouansa has on average 266 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bouansa?
In Bouansa, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 1 February 1998, and the lowest was 6.4 °C on 18 July 1950.
Compare Bouansa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bouansa