Average annual temperature is 25.9 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 89 days
Number of rainy days: 276 days
Look at detailed online map of Mamusa
* Weather data for Mamusa 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) | 37.2 | 38.3 | 38.4 | 36.6 | 35.8 | 32.9 | 32.8 | 32.4 | 32.3 | 32.6 | 33.4 | 35.4 |
| Average daytime temperature (°C) | 35.1 | 36.3 | 34.7 | 34.1 | 32.5 | 29.9 | 29.5 | 28.6 | 29.4 | 29.8 | 30.7 | 33.2 |
| Average temperature (°C) | 26.6 | 27.7 | 27.0 | 27.3 | 26.5 | 25.1 | 24.7 | 24.5 | 24.9 | 25.1 | 25.8 | 26.1 |
| Average night temperature (°C) | 21.2 | 22.5 | 22.7 | 23.6 | 23.6 | 22.8 | 22.6 | 22.5 | 22.6 | 22.7 | 23.0 | 21.3 |
| Absolute minimum temperature (°C) | 18.4 | 20.8 | 20.4 | 22.2 | 22.9 | 21.8 | 21.6 | 21.4 | 21.7 | 21.9 | 22.1 | 17.6 |
| 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 | 9.8 | 9.4 | 8.8 | 7.3 | 7.0 | 7.1 | 5.6 | 6.5 | 6.9 | 8.1 | 9.9 |
| Precipitation (mm) | 8 | 5 | 59 | 102 | 399 | 445 | 642 | 638 | 457 | 421 | 135 | 17 |
| Sunny days | 25 | 20 | 11 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 26 |
| Rainy days | 6 | 8 | 20 | 26 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mamusa is at