Average annual temperature is 26.4 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 121 days
Number of rainy days: 244 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) | 38.5 | 38.6 | 39.0 | 37.6 | 34.8 | 32.3 | 32.3 | 32.4 | 32.3 | 31.9 | 35.0 | 36.0 |
| Average daytime temperature (°C) | 35.3 | 35.6 | 35.6 | 34.9 | 32.5 | 29.8 | 29.1 | 28.8 | 29.7 | 30.3 | 31.9 | 34.1 |
| Average temperature (°C) | 26.9 | 27.5 | 27.4 | 27.7 | 27.4 | 25.7 | 25.1 | 25.0 | 25.3 | 25.7 | 26.5 | 26.9 |
| Average night temperature (°C) | 20.9 | 22.0 | 22.3 | 23.3 | 24.4 | 23.6 | 23.0 | 23.1 | 23.1 | 23.1 | 23.0 | 21.4 |
| Absolute minimum temperature (°C) | 18.1 | 20.6 | 21.2 | 21.9 | 23.0 | 22.5 | 20.5 | 22.2 | 22.3 | 21.3 | 21.0 | 16.8 |
| 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) | 10.0 | 10.1 | 10.1 | 9.8 | 7.6 | 5.8 | 6.1 | 5.6 | 6.0 | 7.1 | 9.3 | 10.1 |
| Precipitation (mm) | 0 | 0 | 9 | 34 | 185 | 341 | 509 | 642 | 417 | 379 | 67 | 2 |
| Sunny days | 29 | 25 | 18 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 9 | 28 |
| Rainy days | 2 | 3 | 13 | 19 | 30 | 30 | 31 | 31 | 30 | 31 | 21 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Foma is at