Bétou climate — normals and trends
Bétou (Congo Republic) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.1 °C and it receives 1,513 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 (26.2 °C on average) and the coldest is August (24.3 °C). Rainfall peaks in October.
Bétou averages 0 frost days, 159 hot days (≥ 30 °C) and 223 rainy days per year.
Bétou has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.7 °C (on 17 March 2014) and the coldest 14.4 °C (on 14 January 2015).
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
BétouLikouala
- coords
- 3.06°, 18.52°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.1°C
Average daily high
29.7°C
Average daily low
22.1°C
Annual rainfall
1,513mm
Sunshine / day
9.4h
Mean relative humidity
86%
Average peak wind
8.8km/h
Seasonal range
1.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
159 d/yr
Rainy days (≥ 1 mm)
223 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.2 °C
Average feels-like low
25.8 °C
Average peak gust
23.6 km/h
Tropical nights (≥ 20 °C)
354 d/yr
Solar radiation
18.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.43 · 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
17 March 2014
Coldest day
14.4 °C
14 January 2015
Wettest day
143 mm
27 July 2008
Windiest day
21.9 km/h
8 August 1950
Strongest gust
48.6 km/h
21 February 1973
Hottest feels-like
44.2 °C
29 March 2011
Coldest feels-like
12.2 °C
12 January 2015
Sunniest day
12.0 h
18 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 | 32.3 °C | +1.6 °C | 6 mm | -30 mm |
| Feb | 33.2 °C | +1.7 °C | 5 mm | -58 mm |
| Mar | 33.0 °C | +1.9 °C | 68 mm | -63 mm |
| Apr | 31.6 °C | +1.1 °C | 126 mm | -8 mm |
| May | 31.1 °C | +1.2 °C | 101 mm | -23 mm |
| Jun | 30.6 °C | +1.4 °C | 82 mm | -30 mm |
| Jul | 29.0 °C | +0.3 °C | 140 mm | +4 mm |
| Aug | 28.8 °C | +0.4 °C | 188 mm | +1 mm |
| Sep | 29.8 °C | +1.2 °C | 217 mm | +26 mm |
| Oct | 29.9 °C | +1.3 °C | 137 mm | -62 mm |
| Nov | 31.1 °C | +2.1 °C | 53 mm | -92 mm |
| Dec | 31.5 °C | +1.8 °C | 13 mm | -40 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 Bétou?
Bétou has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.1 °C and it receives 1,513 mm of precipitation per year.
What is the hottest day ever recorded in Bétou?
The hottest day measured in Bétou between 1940 and 2025 was 17 March 2014, reaching 37.7 °C.
What is the coldest day in Bétou?
The coldest day measured in Bétou between 1940 and 2025 was 14 January 2015, at 14.4 °C.
Does it snow in Bétou?
Almost never: Bétou sees virtually no snow, with about 0 frost days per year.
Has the climate of Bétou warmed?
Yes: Bétou warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bétou?
The wettest day measured in Bétou between 1940 and 2025 was 27 July 2008, with 143 mm of rain in 24 hours.
What was the windiest day in Bétou?
The windiest day measured in Bétou between 1940 and 2025 was 8 August 1950, with winds reaching 21.9 km/h.
What is the warmest month in Bétou?
The warmest month in Bétou is February (26.2 °C on average); the coldest is August (24.3 °C).
How much does it rain in Bétou?
Bétou receives on average 1,513 mm of precipitation per year, spread over about 223 rainy days.
Is it sunny in Bétou?
Bétou gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
Are there tropical nights in Bétou?
Yes: Bétou has on average 354 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bétou?
In Bétou, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 29 March 2011, and the lowest was 12.2 °C on 12 January 2015.
Compare Bétou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bétou