Average annual temperature is 26.0 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: 19.0 °C
Number of sunny days: 101 days
Number of rainy days: 264 days
Look at detailed online map of Mamana
* Weather data for Mamana 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) | 35.2 | 34.2 | 33.7 | 34.7 | 35.0 | 31.5 | 31.1 | 30.7 | 31.0 | 32.1 | 32.3 | 35.5 |
| Average daytime temperature (°C) | 32.5 | 32.8 | 31.7 | 32.3 | 31.6 | 29.3 | 28.5 | 28.0 | 28.9 | 29.7 | 30.4 | 32.7 |
| Average temperature (°C) | 26.4 | 26.9 | 26.7 | 27.5 | 26.9 | 25.3 | 25.0 | 24.7 | 25.0 | 25.3 | 26.0 | 26.5 |
| Average night temperature (°C) | 22.1 | 22.8 | 23.2 | 24.1 | 24.2 | 23.1 | 22.9 | 22.7 | 22.8 | 23.0 | 23.3 | 22.4 |
| Absolute minimum temperature (°C) | 19.1 | 21.1 | 21.0 | 22.5 | 23.1 | 22.1 | 22.0 | 22.0 | 21.9 | 22.2 | 22.1 | 19.0 |
| 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 | 12.6 | 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) | 9.7 | 9.9 | 9.6 | 9.0 | 7.7 | 6.8 | 7.0 | 5.6 | 6.4 | 6.5 | 8.1 | 9.6 |
| Precipitation (mm) | 2 | 2 | 24 | 100 | 334 | 418 | 598 | 666 | 427 | 456 | 189 | 23 |
| Sunny days | 27 | 23 | 19 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 23 |
| Rainy days | 4 | 5 | 12 | 25 | 31 | 30 | 31 | 31 | 30 | 31 | 26 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mamana is at