Average annual temperature is 25.2 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 17.4 °C
Number of sunny days: 141 days
Number of rainy days: 224 days
Look at detailed online map of Koumba
* Weather data for Koumba 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) | 36.4 | 37.6 | 37.2 | 36.7 | 34.1 | 30.4 | 31.2 | 31.2 | 31.6 | 32.5 | 33.6 | 35.0 |
| Average daytime temperature (°C) | 34.4 | 35.7 | 34.2 | 33.8 | 31.3 | 28.6 | 27.9 | 27.6 | 28.7 | 29.6 | 31.5 | 33.0 |
| Average temperature (°C) | 26.1 | 27.0 | 26.2 | 26.5 | 25.8 | 24.2 | 23.6 | 23.6 | 23.9 | 24.5 | 25.4 | 25.6 |
| Average night temperature (°C) | 19.6 | 20.9 | 20.7 | 21.5 | 22.6 | 22.1 | 21.5 | 21.5 | 21.6 | 21.7 | 21.5 | 19.7 |
| Absolute minimum temperature (°C) | 18.1 | 19.2 | 19.6 | 19.3 | 21.4 | 21.1 | 19.4 | 20.7 | 20.1 | 21.0 | 19.3 | 17.4 |
| 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 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 10.2 | 10.2 | 10.3 | 9.9 | 8.1 | 7.0 | 6.7 | 6.3 | 6.9 | 7.6 | 9.6 | 10.2 |
| Precipitation (mm) | 0 | 0 | 12 | 28 | 170 | 275 | 391 | 603 | 420 | 253 | 32 | 6 |
| Sunny days | 30 | 27 | 22 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 15 | 29 |
| Rainy days | 1 | 1 | 9 | 13 | 30 | 30 | 31 | 31 | 30 | 31 | 15 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koumba is at