Bamusso climate — normals and trends
Bamusso (Cameroon) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 24.6 °C and it receives 4,397 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 (25.6 °C on average) and the coldest is August (23.2 °C). Rainfall peaks in July.
Bamusso averages 0 frost days, 44 hot days (≥ 30 °C) and 339 rainy days per year.
Bamusso has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.7 °C (on 12 February 2024) and the coldest 16.6 °C (on 4 August 1954).
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
BamussoSouth-West Region
- coords
- 4.46°, 8.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.6°C
Average daily high
27.9°C
Average daily low
22.4°C
Annual rainfall
4,397mm
Sunshine / day
8.3h
Mean relative humidity
90%
Average peak wind
8.4km/h
Seasonal range
2.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
44 d/yr
Rainy days (≥ 1 mm)
339 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.6 °C
Average feels-like low
26.9 °C
Average peak gust
25.6 km/h
Tropical nights (≥ 20 °C)
363 d/yr
Solar radiation
15.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.84 · 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
33.7 °C
12 February 2024
Coldest day
16.6 °C
4 August 1954
Wettest day
331 mm
12 September 2021
Windiest day
17.4 km/h
17 August 1950
Strongest gust
41.8 km/h
7 August 2000
Hottest feels-like
41.9 °C
9 April 2006
Coldest feels-like
18.1 °C
4 August 1954
Sunniest day
12.0 h
19 July 1942
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 | 30.2 °C | +1.4 °C | 116 mm | +28 mm |
| Feb | 30.9 °C | +1.6 °C | 93 mm | -27 mm |
| Mar | 30.5 °C | +1.2 °C | 353 mm | +90 mm |
| Apr | 30.1 °C | +1.0 °C | 401 mm | +44 mm |
| May | 30.0 °C | +1.4 °C | 348 mm | -52 mm |
| Jun | 28.7 °C | +1.6 °C | 690 mm | +157 mm |
| Jul | 26.1 °C | +0.3 °C | 952 mm | +342 mm |
| Aug | 25.8 °C | +0.2 °C | 564 mm | +60 mm |
| Sep | 26.6 °C | +0.2 °C | 914 mm | +390 mm |
| Oct | 27.8 °C | +0.4 °C | 1192 mm | +665 mm |
| Nov | 29.2 °C | +0.9 °C | 382 mm | +42 mm |
| Dec | 29.8 °C | +1.1 °C | 141 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 Bamusso?
Bamusso has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 24.6 °C and it receives 4,397 mm of precipitation per year.
What is the hottest day ever recorded in Bamusso?
The hottest day measured in Bamusso between 1940 and 2025 was 12 February 2024, reaching 33.7 °C.
What is the coldest day in Bamusso?
The coldest day measured in Bamusso between 1940 and 2025 was 4 August 1954, at 16.6 °C.
Does it snow in Bamusso?
Almost never: Bamusso sees virtually no snow, with about 0 frost days per year.
Has the climate of Bamusso warmed?
Yes: Bamusso warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bamusso?
The wettest day measured in Bamusso between 1940 and 2025 was 12 September 2021, with 331 mm of rain in 24 hours.
What was the windiest day in Bamusso?
The windiest day measured in Bamusso between 1940 and 2025 was 17 August 1950, with winds reaching 17.4 km/h.
What is the warmest month in Bamusso?
The warmest month in Bamusso is March (25.6 °C on average); the coldest is August (23.2 °C).
How much does it rain in Bamusso?
Bamusso receives on average 4,397 mm of precipitation per year, spread over about 339 rainy days.
Is it sunny in Bamusso?
Bamusso gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
Are there tropical nights in Bamusso?
Yes: Bamusso has on average 363 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bamusso?
In Bamusso, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 9 April 2006, and the lowest was 18.1 °C on 4 August 1954.
Compare Bamusso with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bamusso