Average annual temperature is 27.1 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 151 days
Number of rainy days: 214 days
Look at detailed online map of Mamu
* Weather data for Mamu Sierra Leone is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 39.4 | 39.3 | 39.7 | 38.7 | 36.3 | 34.1 | 32.2 | 33.2 | 32.7 | 32.8 | 34.7 | 36.6 |
| Average daytime temperature (°C) | 36.4 | 37.4 | 37.5 | 36.3 | 33.1 | 30.7 | 30.2 | 29.6 | 30.3 | 30.7 | 32.5 | 34.9 |
| Average temperature (°C) | 27.6 | 29.2 | 29.3 | 29.2 | 27.8 | 26.0 | 25.5 | 25.2 | 25.5 | 26.0 | 27.0 | 26.9 |
| Average night temperature (°C) | 20.2 | 22.7 | 23.5 | 24.1 | 24.5 | 23.6 | 22.9 | 22.9 | 23.0 | 23.3 | 23.0 | 20.0 |
| Absolute minimum temperature (°C) | 17.7 | 21.2 | 22.1 | 23.1 | 23.1 | 22.6 | 21.0 | 22.2 | 22.3 | 22.6 | 20.5 | 16.8 |
| 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) | 10.0 | 10.0 | 10.0 | 9.5 | 7.5 | 6.9 | 7.7 | 6.0 | 6.9 | 7.5 | 9.5 | 9.9 |
| Precipitation (mm) | 0 | 0 | 6 | 48 | 179 | 285 | 433 | 502 | 432 | 347 | 37 | 1 |
| Sunny days | 30 | 28 | 25 | 22 | 5 | 0 | 0 | 0 | 0 | 0 | 11 | 30 |
| Rainy days | 1 | 0 | 6 | 8 | 26 | 30 | 31 | 31 | 30 | 31 | 19 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mamu is at