Average annual temperature is 25.7 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 87 days
Number of rainy days: 278 days
Look at detailed online map of Masau
* Weather data for Masau 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) | 36.1 | 36.5 | 37.0 | 34.7 | 33.7 | 31.9 | 31.5 | 31.7 | 31.6 | 31.3 | 31.7 | 34.5 |
| Average daytime temperature (°C) | 33.6 | 34.7 | 32.8 | 32.4 | 31.4 | 29.4 | 29.3 | 28.8 | 29.2 | 29.6 | 30.2 | 32.1 |
| Average temperature (°C) | 25.7 | 27.9 | 26.7 | 26.8 | 26.3 | 25.0 | 24.7 | 24.5 | 24.7 | 25.0 | 25.5 | 25.2 |
| Average night temperature (°C) | 19.2 | 22.6 | 22.5 | 23.5 | 23.3 | 22.7 | 22.4 | 22.4 | 22.5 | 22.5 | 22.4 | 19.6 |
| Absolute minimum temperature (°C) | 16.1 | 21.1 | 20.1 | 21.8 | 22.3 | 21.8 | 20.8 | 21.2 | 21.6 | 21.9 | 20.6 | 15.5 |
| 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) | 9.7 | 9.8 | 8.6 | 8.9 | 7.7 | 7.4 | 7.5 | 5.9 | 7.4 | 7.9 | 8.5 | 10.0 |
| Precipitation (mm) | 16 | 1 | 87 | 213 | 345 | 270 | 400 | 463 | 363 | 377 | 190 | 2 |
| Sunny days | 25 | 25 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 21 |
| Rainy days | 6 | 3 | 20 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Masau is at