Average annual temperature is 26.1 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: 13.8 °C
Number of sunny days: 164 days
Number of rainy days: 201 days
Look at detailed online map of Koumban
* Weather data for Koumban Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.9 | 37.4 | 37.8 | 38.7 | 37.2 | 33.0 | 32.2 | 32.5 | 32.3 | 32.9 | 35.2 | 35.0 |
| Average daytime temperature (°C) | 31.8 | 35.4 | 36.1 | 36.2 | 33.2 | 30.5 | 29.6 | 29.2 | 30.1 | 30.7 | 32.9 | 32.2 |
| Average temperature (°C) | 23.7 | 27.7 | 29.3 | 29.3 | 27.3 | 25.7 | 24.9 | 24.7 | 24.9 | 25.4 | 26.4 | 24.2 |
| Average night temperature (°C) | 16.7 | 20.9 | 23.2 | 23.9 | 23.3 | 22.2 | 21.7 | 21.6 | 21.6 | 21.6 | 20.9 | 17.1 |
| Absolute minimum temperature (°C) | 14.3 | 17.9 | 20.4 | 22.0 | 21.9 | 21.3 | 20.7 | 20.9 | 20.3 | 20.6 | 18.3 | 13.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.7 | 11.5 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.4 | 10.1 | 10.2 | 9.8 | 8.8 | 8.5 | 8.5 | 8.0 | 8.6 | 9.7 | 10.1 | 10.5 |
| Precipitation (mm) | 7 | 2 | 2 | 19 | 164 | 149 | 225 | 270 | 283 | 131 | 21 | 0 |
| Sunny days | 28 | 27 | 26 | 20 | 5 | 4 | 2 | 0 | 1 | 2 | 19 | 30 |
| Rainy days | 3 | 1 | 5 | 10 | 26 | 26 | 29 | 31 | 29 | 29 | 11 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koumban is at