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Bertoua, Cameroon climate
As Tropical savanna (dry summer)
Bertoua has a remarkably steady tropical climate (Tropical savanna (dry summer), Köppen As). The hottest month is March with an average daily high near 32°C, while the coldest is August averaging around 19°C at night. Precipitation totals about 1577 mm a year and is strongly seasonal — October alone averages 258 mm while January barely receives 16 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Bertoua climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 33 | 32 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 31 |
| Avg temp (°C) | 25 | 26 | 26 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 24 |
| Avg low (°C) | 17 | 19 | 21 | 21 | 21 | 20 | 20 | 19 | 20 | 20 | 19 | 18 |
| Precipitation (mm) | 16 | 32 | 117 | 180 | 161 | 136 | 146 | 161 | 191 | 258 | 148 | 30 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 33 | 32 | 29 | 29 | 28 |
| Avg temp (°C) | 25 | 26 | 26 | 25 | 25 | 24 |
| Avg low (°C) | 17 | 19 | 21 | 21 | 21 | 20 |
| Precipitation (mm) | 16 | 32 | 117 | 180 | 161 | 136 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 27 | 27 | 28 | 31 |
| Avg temp (°C) | 23 | 23 | 23 | 23 | 24 | 24 |
| Avg low (°C) | 20 | 19 | 20 | 20 | 19 | 18 |
| Precipitation (mm) | 146 | 161 | 191 | 258 | 148 | 30 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 16 | 17 | 11 | 2 | 0.8 | 0.5 | 0.2 | 0.0 | — | — | 1 | 7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 16 | 17 | 11 | 2 | 0.8 | 0.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 0.2 | 0.0 | — | — | 1 | 7 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 52 | 63 | 73 | 75 | 73 | 75 | 81 | 84 | 82 | 79 | 63 | 50 |
| Relative humidity (%) | 58 | 60 | 72 | 81 | 83 | 83 | 85 | 86 | 86 | 86 | 81 | 68 |
| Wind speed (mph) | 2.5 | 2.4 | 2.1 | 1.9 | 1.8 | 1.8 | 2.0 | 2.1 | 1.8 | 1.8 | 2.1 | 2.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 52 | 63 | 73 | 75 | 73 | 75 |
| Relative humidity (%) | 58 | 60 | 72 | 81 | 83 | 83 |
| Wind speed (mph) | 2.5 | 2.4 | 2.1 | 1.9 | 1.8 | 1.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 81 | 84 | 82 | 79 | 63 | 50 |
| Relative humidity (%) | 85 | 86 | 86 | 86 | 81 | 68 |
| Wind speed (mph) | 2.0 | 2.1 | 1.8 | 1.8 | 2.1 | 2.3 |
Methodology & sources
Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.