Average annual temperature is 24.9 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 15.0 °C
Number of sunny days: 106 days
Number of rainy days: 259 days
Look at detailed online map of Garassou
* Weather data for Garassou 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) | 35.2 | 35.9 | 36.9 | 34.0 | 34.1 | 31.9 | 30.6 | 30.6 | 31.4 | 31.4 | 32.8 | 33.4 |
| Average daytime temperature (°C) | 32.8 | 33.9 | 32.4 | 32.1 | 31.6 | 29.2 | 28.5 | 28.4 | 29.1 | 29.4 | 30.6 | 31.9 |
| Average temperature (°C) | 24.7 | 26.6 | 25.8 | 26.0 | 26.0 | 24.4 | 23.9 | 23.8 | 24.1 | 24.3 | 24.8 | 24.1 |
| Average night temperature (°C) | 17.8 | 20.8 | 21.5 | 21.9 | 22.3 | 21.5 | 21.1 | 21.2 | 21.3 | 21.1 | 21.0 | 17.6 |
| Absolute minimum temperature (°C) | 15.0 | 17.5 | 20.5 | 20.5 | 21.4 | 20.8 | 20.3 | 20.6 | 20.3 | 19.7 | 18.3 | 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 11.8 | 11.7 |
| 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) | 10.5 | 9.8 | 8.8 | 8.8 | 8.5 | 7.6 | 8.3 | 7.3 | 8.4 | 8.4 | 9.7 | 10.8 |
| Precipitation (mm) | 6 | 9 | 118 | 109 | 126 | 150 | 194 | 289 | 215 | 135 | 59 | 0 |
| Sunny days | 25 | 21 | 10 | 8 | 1 | 0 | 0 | 0 | 0 | 1 | 12 | 28 |
| Rainy days | 6 | 7 | 21 | 22 | 30 | 30 | 31 | 31 | 30 | 30 | 18 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Garassou is at