Average annual temperature is 28.0 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: 16.0 °C
Number of sunny days: 207 days
Number of rainy days: 158 days
Look at detailed online map of Somma
* Weather data for Somma 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) | 35.2 | 37.5 | 38.3 | 39.6 | 38.3 | 35.9 | 32.5 | 31.8 | 32.4 | 32.5 | 34.6 | 34.7 |
| Average daytime temperature (°C) | 32.8 | 35.6 | 36.6 | 37.4 | 35.6 | 32.4 | 29.6 | 28.6 | 29.4 | 30.5 | 32.4 | 32.5 |
| Average temperature (°C) | 26.8 | 29.6 | 31.0 | 31.9 | 30.4 | 28.0 | 25.8 | 25.2 | 25.5 | 26.4 | 28.3 | 27.0 |
| Average night temperature (°C) | 20.0 | 22.8 | 24.5 | 25.8 | 26.1 | 24.2 | 22.8 | 22.6 | 22.5 | 23.2 | 23.4 | 20.8 |
| Absolute minimum temperature (°C) | 18.1 | 19.3 | 22.1 | 24.3 | 24.0 | 22.4 | 21.2 | 20.8 | 21.1 | 21.3 | 20.8 | 16.0 |
| 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 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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 | 10.3 | 10.7 | 10.8 | 8.8 | 9.9 | 9.2 | 8.0 | 8.7 | 9.7 | 10.7 | 10.0 |
| Precipitation (mm) | 0 | 0 | 0 | 2 | 65 | 141 | 280 | 295 | 300 | 113 | 1 | 0 |
| Sunny days | 31 | 27 | 31 | 28 | 12 | 10 | 0 | 1 | 1 | 7 | 29 | 30 |
| Rainy days | 0 | 1 | 0 | 2 | 19 | 20 | 31 | 30 | 29 | 24 | 1 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Somma is at