Average annual temperature is 25.6 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 13.2 °C
Number of sunny days: 162 days
Number of rainy days: 203 days
Look at detailed online map of Fassienso
* Weather data for Fassienso 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) | 34.8 | 35.9 | 38.3 | 36.7 | 36.0 | 33.3 | 32.4 | 33.8 | 33.9 | 33.9 | 34.0 | 33.7 |
| Average daytime temperature (°C) | 33.1 | 34.7 | 35.1 | 34.5 | 33.5 | 31.0 | 30.0 | 29.9 | 30.6 | 31.3 | 32.7 | 32.1 |
| Average temperature (°C) | 24.3 | 26.8 | 27.7 | 27.8 | 27.2 | 25.0 | 24.5 | 24.4 | 24.6 | 25.2 | 25.6 | 23.6 |
| Average night temperature (°C) | 16.6 | 20.1 | 22.2 | 23.0 | 22.8 | 21.5 | 21.3 | 21.0 | 20.9 | 20.9 | 20.2 | 16.1 |
| Absolute minimum temperature (°C) | 13.6 | 16.4 | 19.5 | 21.5 | 21.3 | 20.3 | 20.5 | 20.3 | 19.9 | 19.5 | 17.1 | 13.2 |
| 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) | 10.7 | 10.3 | 9.4 | 10.3 | 9.0 | 9.1 | 8.4 | 8.0 | 8.6 | 9.7 | 9.9 | 10.7 |
| Precipitation (mm) | 0 | 1 | 39 | 22 | 98 | 158 | 202 | 340 | 215 | 76 | 52 | 0 |
| Sunny days | 30 | 25 | 20 | 17 | 7 | 4 | 1 | 0 | 1 | 10 | 17 | 30 |
| Rainy days | 1 | 3 | 11 | 13 | 24 | 26 | 30 | 31 | 29 | 21 | 13 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Fassienso is at