Average annual temperature is 25.1 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 14.7 °C
Number of sunny days: 140 days
Number of rainy days: 225 days
Look at detailed online map of Fansan
* Weather data for Fansan 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 | 36.9 | 36.5 | 35.7 | 34.4 | 31.8 | 31.3 | 32.1 | 31.7 | 32.3 | 33.3 | 33.8 |
| Average daytime temperature (°C) | 32.5 | 34.8 | 34.8 | 33.9 | 31.6 | 29.4 | 28.9 | 28.3 | 29.4 | 29.9 | 31.4 | 32.0 |
| Average temperature (°C) | 24.5 | 27.1 | 27.5 | 27.0 | 25.7 | 24.4 | 23.9 | 23.7 | 24.0 | 24.4 | 25.0 | 24.2 |
| Average night temperature (°C) | 17.6 | 20.0 | 21.3 | 22.4 | 22.0 | 21.3 | 20.9 | 20.9 | 21.0 | 20.9 | 20.3 | 17.7 |
| Absolute minimum temperature (°C) | 15.8 | 16.9 | 18.9 | 21.2 | 20.4 | 20.5 | 20.2 | 20.4 | 20.3 | 19.6 | 17.3 | 14.7 |
| 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) | 11.6 | 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) | 10.2 | 9.9 | 9.3 | 9.0 | 8.5 | 7.3 | 7.8 | 7.0 | 8.2 | 8.8 | 9.7 | 10.5 |
| Precipitation (mm) | 10 | 2 | 38 | 76 | 219 | 217 | 294 | 308 | 405 | 183 | 80 | 0 |
| Sunny days | 29 | 26 | 21 | 14 | 3 | 0 | 0 | 1 | 0 | 4 | 12 | 30 |
| Rainy days | 2 | 2 | 10 | 16 | 28 | 30 | 31 | 30 | 30 | 27 | 18 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Fansan is at