Average annual temperature is 27.0 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: 13.8 °C
Number of sunny days: 206 days
Number of rainy days: 159 days
Look at detailed online map of Gassamba
* Weather data for Gassamba 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) | 35.4 | 37.1 | 38.4 | 39.5 | 38.2 | 34.0 | 34.0 | 31.7 | 32.4 | 35.0 | 35.5 | 35.8 |
| Average daytime temperature (°C) | 32.4 | 35.3 | 36.7 | 37.7 | 33.6 | 31.4 | 30.4 | 29.1 | 29.9 | 31.7 | 34.0 | 33.6 |
| Average temperature (°C) | 24.4 | 27.8 | 29.8 | 31.1 | 28.4 | 26.8 | 25.9 | 25.0 | 25.3 | 26.6 | 27.6 | 25.7 |
| Average night temperature (°C) | 17.2 | 20.4 | 23.4 | 24.7 | 24.0 | 23.0 | 22.4 | 21.8 | 21.7 | 22.2 | 21.7 | 18.0 |
| Absolute minimum temperature (°C) | 13.8 | 18.2 | 19.6 | 21.6 | 21.5 | 21.9 | 21.3 | 20.6 | 21.1 | 20.2 | 17.5 | 15.1 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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) | 10.3 | 10.1 | 10.2 | 10.3 | 9.1 | 9.6 | 9.6 | 8.8 | 9.6 | 10.2 | 10.6 | 10.6 |
| Precipitation (mm) | 0 | 0 | 5 | 15 | 103 | 79 | 143 | 251 | 235 | 84 | 6 | 0 |
| Sunny days | 30 | 28 | 26 | 26 | 11 | 8 | 2 | 1 | 4 | 11 | 28 | 31 |
| Rainy days | 1 | 0 | 5 | 4 | 20 | 22 | 29 | 30 | 26 | 20 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gassamba is at