Average annual temperature is 24.9 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 14.4 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Mamassadou
* Weather data for Mamassadou 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) | 35.3 | 36.5 | 37.3 | 34.6 | 33.7 | 31.0 | 30.9 | 31.5 | 31.1 | 31.3 | 32.9 | 34.9 |
| Average daytime temperature (°C) | 33.8 | 34.3 | 32.8 | 32.4 | 30.8 | 28.7 | 28.6 | 28.3 | 28.9 | 29.5 | 29.8 | 32.0 |
| Average temperature (°C) | 25.3 | 27.2 | 26.2 | 26.1 | 25.4 | 24.1 | 23.8 | 23.8 | 24.0 | 24.3 | 24.6 | 24.4 |
| Average night temperature (°C) | 18.0 | 21.1 | 21.7 | 22.4 | 22.2 | 21.6 | 21.3 | 21.4 | 21.5 | 21.4 | 21.1 | 18.0 |
| Absolute minimum temperature (°C) | 14.4 | 18.3 | 19.3 | 20.9 | 21.0 | 21.0 | 19.8 | 20.1 | 20.6 | 20.6 | 18.9 | 15.3 |
| 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) | 10.1 | 9.8 | 8.9 | 8.5 | 7.7 | 6.5 | 7.3 | 6.6 | 7.7 | 8.5 | 8.7 | 10.3 |
| Precipitation (mm) | 53 | 0 | 122 | 162 | 263 | 308 | 326 | 359 | 282 | 286 | 105 | 0 |
| Sunny days | 28 | 25 | 13 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 8 | 28 |
| Rainy days | 3 | 3 | 18 | 27 | 30 | 30 | 31 | 30 | 30 | 31 | 22 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mamassadou is at