Average annual temperature is 23.5 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 14.5 °C
Number of sunny days: 89 days
Number of rainy days: 276 days
Look at detailed online map of Koso
* Weather data for Koso Cameroon is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.7 | 34.5 | 32.5 | 31.8 | 32.2 | 30.8 | 30.4 | 31.1 | 30.8 | 31.2 | 29.9 | 32.1 |
| Average daytime temperature (°C) | 31.2 | 32.7 | 29.9 | 28.8 | 29.4 | 27.9 | 28.6 | 28.7 | 28.3 | 28.6 | 28.2 | 30.1 |
| Average temperature (°C) | 23.4 | 24.9 | 24.2 | 23.5 | 24.0 | 22.9 | 23.4 | 23.3 | 23.1 | 23.3 | 22.9 | 23.2 |
| Average night temperature (°C) | 17.3 | 18.9 | 20.2 | 19.9 | 20.3 | 19.8 | 19.8 | 19.8 | 19.8 | 20.0 | 20.0 | 18.1 |
| Absolute minimum temperature (°C) | 14.5 | 16.3 | 19.0 | 18.4 | 18.2 | 18.6 | 18.5 | 17.3 | 18.6 | 18.7 | 19.1 | 16.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.9 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.2 | 10.6 | 8.2 | 8.1 | 9.5 | 7.8 | 9.1 | 8.5 | 7.9 | 9.5 | 7.8 | 10.0 |
| Precipitation (mm) | 0 | 10 | 120 | 208 | 132 | 201 | 103 | 136 | 208 | 167 | 222 | 24 |
| Sunny days | 29 | 22 | 5 | 2 | 5 | 1 | 0 | 0 | 2 | 1 | 0 | 22 |
| Rainy days | 2 | 6 | 26 | 28 | 26 | 29 | 31 | 31 | 28 | 30 | 30 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koso is at