Average annual temperature is 25.8 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 14.0 °C
Number of sunny days: 191 days
Number of rainy days: 174 days
Look at detailed online map of Souma
* Weather data for Souma 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) | 34.8 | 37.1 | 37.8 | 39.3 | 37.8 | 36.1 | 31.9 | 31.3 | 32.8 | 32.1 | 33.6 | 34.0 |
| Average daytime temperature (°C) | 32.2 | 35.2 | 36.1 | 37.2 | 34.3 | 32.1 | 29.5 | 28.8 | 29.4 | 30.0 | 32.1 | 32.1 |
| Average temperature (°C) | 24.5 | 27.4 | 28.7 | 30.0 | 27.9 | 26.1 | 24.0 | 23.7 | 24.0 | 24.4 | 25.1 | 24.4 |
| Average night temperature (°C) | 17.3 | 20.1 | 21.7 | 23.4 | 23.3 | 22.1 | 20.8 | 20.7 | 20.5 | 20.5 | 19.0 | 17.2 |
| Absolute minimum temperature (°C) | 15.3 | 17.4 | 18.4 | 21.8 | 22.0 | 21.0 | 19.7 | 19.5 | 19.4 | 18.1 | 15.9 | 14.0 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.7 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 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) | 10.3 | 10.2 | 10.5 | 10.6 | 8.4 | 9.5 | 9.0 | 8.2 | 9.1 | 9.1 | 10.7 | 10.3 |
| Precipitation (mm) | 0 | 0 | 0 | 5 | 69 | 204 | 367 | 313 | 329 | 134 | 6 | 0 |
| Sunny days | 31 | 27 | 30 | 28 | 9 | 7 | 0 | 1 | 0 | 3 | 24 | 31 |
| Rainy days | 0 | 1 | 1 | 2 | 22 | 23 | 31 | 30 | 30 | 28 | 6 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Souma is at