Average annual temperature is 24.6 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 114 days
Number of rainy days: 251 days
Look at detailed online map of Fermessadou
* Weather data for Fermessadou 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) | 34.5 | 36.8 | 35.8 | 34.8 | 33.7 | 31.6 | 31.5 | 33.0 | 31.7 | 32.0 | 34.3 | 34.2 |
| Average daytime temperature (°C) | 33.1 | 34.6 | 33.7 | 32.9 | 31.1 | 28.9 | 28.7 | 28.4 | 29.2 | 29.6 | 30.7 | 32.3 |
| Average temperature (°C) | 24.8 | 26.9 | 26.2 | 26.0 | 25.0 | 23.8 | 23.5 | 23.4 | 23.6 | 23.8 | 24.5 | 24.3 |
| Average night temperature (°C) | 18.2 | 20.2 | 20.9 | 21.8 | 21.6 | 21.1 | 20.7 | 20.8 | 20.9 | 20.7 | 20.5 | 18.0 |
| Absolute minimum temperature (°C) | 15.9 | 17.4 | 18.8 | 20.6 | 20.3 | 20.5 | 19.0 | 19.7 | 19.9 | 19.5 | 18.1 | 15.7 |
| 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 | 11.8 | 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) | 10.0 | 9.9 | 8.9 | 8.6 | 7.7 | 6.8 | 7.0 | 6.8 | 7.3 | 7.9 | 9.1 | 10.4 |
| Precipitation (mm) | 19 | 6 | 76 | 150 | 238 | 229 | 288 | 382 | 315 | 246 | 107 | 0 |
| Sunny days | 28 | 25 | 12 | 9 | 0 | 0 | 0 | 1 | 0 | 0 | 10 | 29 |
| Rainy days | 3 | 3 | 19 | 21 | 31 | 30 | 31 | 30 | 30 | 31 | 20 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Fermessadou is at