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
19402025 · 86 yrs
AfTropical rainforestWarmest monthMarchColdest monthAugustWettest monthJulyDriest monthJanuary

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

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202532.1 °C10 March 202521.0 °C11 January 202525.6 °C6,144 mm1390
202433.7 °C12 February 202420.8 °C16 January 202426.1 °C4,303 mm1880
202332.2 °C26 March 202320.2 °C10 January 202325.8 °C4,696 mm1370
202232.5 °C11 February 202220.1 °C24 December 202225.3 °C3,945 mm940
202132.7 °C22 April 202121.3 °C13 August 202125.6 °C4,784 mm1100
202032.7 °C1 February 202019.1 °C26 January 202025.7 °C4,293 mm1310
201932.1 °C3 April 201921.3 °C13 July 201925.6 °C5,560 mm1130
201832.8 °C2 February 201820.1 °C5 January 201825.4 °C4,438 mm930
201732.1 °C17 April 201721.2 °C3 January 201725.5 °C6,132 mm1280
201632.5 °C29 January 201620.7 °C1 February 201625.6 °C5,326 mm1360
201531.6 °C4 May 201518.8 °C13 January 201525.2 °C5,687 mm840
201431.8 °C4 March 201421.2 °C4 January 201425.2 °C5,320 mm610
201331.8 °C1 March 201319.1 °C18 December 201325.0 °C5,328 mm710
201232.0 °C14 March 201220.6 °C17 January 201225.1 °C4,173 mm530
201131.7 °C5 May 201119.8 °C23 January 201125.1 °C4,242 mm670
201032.4 °C14 April 201020.7 °C11 December 201025.5 °C4,515 mm1050
200932.1 °C20 April 200921.0 °C1 July 200925.2 °C5,188 mm640
200831.6 °C18 February 200820.8 °C25 January 200825.0 °C4,506 mm590
200731.8 °C31 January 200719.9 °C4 January 200724.9 °C5,039 mm810
200632.4 °C9 April 200621.4 °C11 September 200625.1 °C3,884 mm640
200532.3 °C23 February 200519.5 °C11 January 200525.1 °C4,155 mm920
200432.1 °C25 March 200421.2 °C28 July 200425.0 °C4,173 mm620
200331.5 °C23 April 200320.0 °C4 July 200325.0 °C3,855 mm570
200231.8 °C13 May 200220.3 °C28 January 200224.7 °C4,468 mm340
200131.8 °C25 February 200119.8 °C23 July 200124.6 °C4,255 mm510
200031.9 °C10 March 200020.4 °C7 December 200024.5 °C4,191 mm450
199931.5 °C2 March 199920.4 °C16 December 199924.6 °C4,282 mm330
199832.1 °C22 February 199820.9 °C25 August 199825.3 °C3,449 mm1070
199731.8 °C10 April 199720.9 °C5 July 199724.7 °C4,035 mm220
199631.0 °C19 March 199620.9 °C12 September 199624.6 °C3,873 mm170
199531.6 °C20 March 199520.5 °C23 January 199524.8 °C3,801 mm380
199431.4 °C10 April 199420.0 °C18 December 199424.8 °C4,195 mm450
199331.3 °C9 April 199319.8 °C10 January 199324.8 °C4,328 mm270
199231.1 °C27 April 199219.9 °C11 January 199224.5 °C4,269 mm320
199131.2 °C28 March 199120.7 °C17 October 199124.5 °C3,558 mm90
199032.2 °C27 March 199020.7 °C27 January 199024.5 °C4,418 mm350
198931.6 °C30 March 198919.7 °C20 January 198924.5 °C3,671 mm410
198831.4 °C26 February 198820.4 °C26 December 198824.7 °C4,257 mm530
198731.7 °C23 February 198720.0 °C11 January 198725.0 °C3,955 mm500
198631.7 °C17 April 198619.9 °C6 December 198624.4 °C4,792 mm270
198531.2 °C30 March 198520.5 °C12 July 198524.3 °C4,354 mm290
198432.3 °C18 March 198418.9 °C16 December 198424.5 °C3,687 mm350
198333.6 °C21 March 198318.1 °C9 January 198324.7 °C4,051 mm840
198231.6 °C5 March 198220.0 °C24 November 198224.4 °C5,013 mm280
198131.5 °C13 April 198119.7 °C6 September 198124.4 °C4,378 mm320
198032.0 °C21 April 198020.4 °C29 December 198024.4 °C5,868 mm290
197932.4 °C3 March 197920.2 °C14 December 197924.5 °C4,533 mm510
197831.0 °C17 March 197819.7 °C27 July 197824.3 °C4,615 mm210
197732.1 °C19 April 197720.3 °C12 August 197724.4 °C4,107 mm300
197631.2 °C15 May 197620.0 °C26 July 197623.9 °C4,809 mm150
197530.8 °C25 March 197519.6 °C26 August 197524.0 °C4,152 mm170
197431.1 °C6 March 197419.7 °C14 January 197424.0 °C4,803 mm210
197331.7 °C10 April 197320.1 °C13 July 197324.6 °C4,586 mm580
197231.0 °C20 March 197220.3 °C18 July 197224.3 °C4,675 mm270
197132.2 °C12 December 197119.1 °C30 December 197124.2 °C4,701 mm330
197031.7 °C25 April 197019.7 °C3 December 197024.4 °C4,911 mm530
196931.7 °C2 May 196920.1 °C31 July 196924.5 °C5,934 mm590
196831.3 °C7 May 196820.0 °C18 January 196824.3 °C4,944 mm130
196731.0 °C24 February 196719.8 °C2 October 196724.2 °C4,306 mm240
196631.6 °C18 March 196620.0 °C1 September 196624.4 °C3,754 mm290
196530.0 °C16 March 196520.6 °C30 July 196524.1 °C3,823 mm10
196430.7 °C31 March 196420.3 °C3 August 196424.2 °C2,871 mm210
196331.2 °C23 March 196320.6 °C3 January 196324.4 °C2,906 mm100
196230.5 °C8 February 196220.2 °C16 January 196224.0 °C3,929 mm40
196130.6 °C15 March 196119.6 °C1 August 196124.1 °C3,801 mm60
196030.8 °C17 April 196020.0 °C27 August 196024.2 °C3,898 mm20
195931.0 °C24 April 195920.5 °C21 August 195924.2 °C2,988 mm100
195830.7 °C12 February 195819.2 °C28 July 195824.0 °C4,123 mm120
195730.0 °C11 March 195719.8 °C7 February 195723.9 °C4,856 mm10
195630.2 °C14 March 195619.1 °C8 August 195623.7 °C5,035 mm10
195530.0 °C22 April 195519.7 °C1 August 195523.9 °C4,156 mm10
195430.0 °C26 March 195416.6 °C4 August 195423.8 °C4,071 mm10
195330.4 °C5 March 195319.8 °C10 August 195324.0 °C4,594 mm20
195231.7 °C5 March 195219.9 °C27 August 195224.2 °C5,249 mm350
195131.4 °C5 April 195120.5 °C25 July 195124.2 °C5,125 mm370
195031.2 °C18 April 195018.5 °C2 September 195023.9 °C3,726 mm220
194931.0 °C27 March 194920.1 °C9 August 194924.2 °C4,110 mm130
194830.4 °C13 March 194819.9 °C23 July 194823.9 °C4,852 mm30
194730.8 °C14 March 194718.5 °C9 September 194724.0 °C4,828 mm50
194631.3 °C22 February 194619.6 °C21 August 194623.9 °C4,488 mm180
194531.1 °C31 January 194519.7 °C23 December 194524.0 °C4,371 mm210
194430.8 °C31 January 194419.3 °C24 July 194424.1 °C3,791 mm80
194330.2 °C7 March 194318.5 °C24 July 194323.6 °C3,030 mm10
194229.9 °C8 April 194217.9 °C19 July 194223.8 °C3,951 mm00
194130.5 °C14 February 194119.8 °C5 August 194124.0 °C3,899 mm20
194030.3 °C18 April 194019.2 °C2 August 194023.9 °C4,036 mm30

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

Average daily high
28.8 °C
+0.9 °C
Hot days (≥ 30 °C)
139 d/yr
+95
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
6144 mm
+1747 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan30.2 °C+1.4 °C116 mm+28 mm
Feb30.9 °C+1.6 °C93 mm-27 mm
Mar30.5 °C+1.2 °C353 mm+90 mm
Apr30.1 °C+1.0 °C401 mm+44 mm
May30.0 °C+1.4 °C348 mm-52 mm
Jun28.7 °C+1.6 °C690 mm+157 mm
Jul26.1 °C+0.3 °C952 mm+342 mm
Aug25.8 °C+0.2 °C564 mm+60 mm
Sep26.6 °C+0.2 °C914 mm+390 mm
Oct27.8 °C+0.4 °C1192 mm+665 mm
Nov29.2 °C+0.9 °C382 mm+42 mm
Dec29.8 °C+1.1 °C141 mm+8 mm

The year's extremes

Hottest day
32.1 °C
10 Mar 2025
Coldest day
21.0 °C
11 Jan 2025
Wettest day
264.4 mm
26 Jun 2025
Windiest day
13.6 km/h
1 Mar 2025
Strongest gust
35.3 km/h
24 Feb 2025
Hottest feels-like
40.5 °C
20 Apr 2025
Coldest feels-like
24.3 °C
11 Jan 2025
Sunniest day
11.4 h
16 Nov 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

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

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Nearby cities

The climate around Bamusso

Other cities — Cameroon