Average annual temperature is 25.3 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 13.9 °C
Number of sunny days: 152 days
Number of rainy days: 213 days
Look at detailed online map of Koumana
* Weather data for Koumana 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) | 34.9 | 36.5 | 36.8 | 36.5 | 36.0 | 32.3 | 33.1 | 32.9 | 34.6 | 34.4 | 34.8 | 34.9 |
| Average daytime temperature (°C) | 32.6 | 34.5 | 35.1 | 34.8 | 32.9 | 30.4 | 29.8 | 29.4 | 30.8 | 31.7 | 32.9 | 32.4 |
| Average temperature (°C) | 23.9 | 26.3 | 27.4 | 27.3 | 26.2 | 24.7 | 24.3 | 24.1 | 24.5 | 25.2 | 25.6 | 23.9 |
| Average night temperature (°C) | 16.5 | 19.4 | 21.5 | 22.3 | 22.3 | 21.3 | 21.0 | 20.9 | 21.0 | 21.0 | 20.0 | 16.6 |
| Absolute minimum temperature (°C) | 14.0 | 16.0 | 17.8 | 20.6 | 20.9 | 20.4 | 20.1 | 19.9 | 20.3 | 19.0 | 17.1 | 13.9 |
| 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) | 10.5 | 10.1 | 9.9 | 9.8 | 8.8 | 8.9 | 8.8 | 7.7 | 8.9 | 9.8 | 9.9 | 10.7 |
| Precipitation (mm) | 6 | 3 | 18 | 134 | 161 | 195 | 211 | 320 | 315 | 124 | 51 | 0 |
| Sunny days | 28 | 27 | 21 | 18 | 5 | 3 | 0 | 0 | 1 | 5 | 13 | 31 |
| Rainy days | 3 | 1 | 10 | 12 | 26 | 27 | 31 | 31 | 29 | 26 | 17 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koumana is at