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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 89°F, while the coldest is August averaging around 67°F at night. Precipitation totals about 62 inches a year and is strongly seasonal — October alone averages 10.2 inches while January barely receives 0.62 inches.
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 (°F) | 90 | 92 | 89 | 85 | 83 | 82 | 80 | 80 | 80 | 81 | 83 | 87 |
| Avg temp (°F) | 77 | 79 | 79 | 77 | 76 | 75 | 74 | 73 | 74 | 74 | 75 | 75 |
| Avg low (°F) | 63 | 67 | 70 | 70 | 69 | 68 | 67 | 67 | 67 | 68 | 67 | 64 |
| Precipitation (in) | 0.6 | 1.3 | 4.6 | 7.1 | 6.4 | 5.3 | 5.8 | 6.3 | 7.5 | 10.2 | 5.8 | 1.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 90 | 92 | 89 | 85 | 83 | 82 |
| Avg temp (°F) | 77 | 79 | 79 | 77 | 76 | 75 |
| Avg low (°F) | 63 | 67 | 70 | 70 | 69 | 68 |
| Precipitation (in) | 0.6 | 1.3 | 4.6 | 7.1 | 6.4 | 5.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 80 | 80 | 80 | 81 | 83 | 87 |
| Avg temp (°F) | 74 | 73 | 74 | 74 | 75 | 75 |
| Avg low (°F) | 67 | 67 | 67 | 68 | 67 | 64 |
| Precipitation (in) | 5.8 | 6.3 | 7.5 | 10.2 | 5.8 | 1.2 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (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 ≥ 90°F (days) | 16 | 17 | 11 | 2 | 0.8 | 0.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (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.