Average annual temperature is 24.2 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: 16.4 °C
Number of sunny days: 113 days
Number of rainy days: 252 days
Look at detailed online map of Foma
* Weather data for Foma 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) | 34.1 | 35.1 | 35.5 | 33.7 | 33.7 | 30.5 | 31.0 | 30.4 | 31.2 | 31.8 | 32.9 | 33.4 |
| Average daytime temperature (°C) | 32.3 | 33.6 | 31.4 | 31.5 | 30.6 | 28.1 | 27.6 | 27.6 | 28.6 | 29.5 | 30.5 | 31.8 |
| Average temperature (°C) | 24.6 | 26.3 | 24.8 | 24.8 | 24.7 | 23.1 | 22.8 | 22.8 | 23.2 | 23.9 | 24.5 | 24.8 |
| Average night temperature (°C) | 18.5 | 20.4 | 20.5 | 20.9 | 21.3 | 20.5 | 20.1 | 20.2 | 20.4 | 20.5 | 20.5 | 19.1 |
| Absolute minimum temperature (°C) | 16.6 | 18.8 | 19.5 | 19.8 | 20.1 | 19.7 | 19.0 | 19.4 | 19.6 | 19.5 | 19.6 | 16.4 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 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) | 10.4 | 9.9 | 8.9 | 9.0 | 8.2 | 7.1 | 6.9 | 7.0 | 8.0 | 8.7 | 9.5 | 10.8 |
| Precipitation (mm) | 11 | 22 | 141 | 127 | 168 | 243 | 252 | 403 | 245 | 112 | 106 | 0 |
| Sunny days | 26 | 23 | 11 | 5 | 2 | 0 | 0 | 0 | 0 | 5 | 10 | 31 |
| Rainy days | 5 | 5 | 20 | 25 | 29 | 30 | 31 | 31 | 30 | 26 | 20 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Foma is at