Average annual temperature is 25.8 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 93 days
Number of rainy days: 272 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) | 36.2 | 36.8 | 37.6 | 35.2 | 33.8 | 32.6 | 31.6 | 32.1 | 31.8 | 31.2 | 31.8 | 34.8 |
| Average daytime temperature (°C) | 33.8 | 35.1 | 33.3 | 32.8 | 31.7 | 29.8 | 29.6 | 29.1 | 29.5 | 29.7 | 30.3 | 32.3 |
| Average temperature (°C) | 25.8 | 28.2 | 26.9 | 27.1 | 26.5 | 25.1 | 24.9 | 24.7 | 24.9 | 25.2 | 25.6 | 25.1 |
| Average night temperature (°C) | 19.1 | 22.6 | 22.5 | 23.6 | 23.4 | 22.8 | 22.5 | 22.5 | 22.6 | 22.6 | 22.5 | 19.4 |
| Absolute minimum temperature (°C) | 15.8 | 21.0 | 19.9 | 21.9 | 22.4 | 21.8 | 20.8 | 21.5 | 21.8 | 22.0 | 20.7 | 15.1 |
| 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 | 9.9 | 8.6 | 8.7 | 7.7 | 7.5 | 7.3 | 5.9 | 7.3 | 7.8 | 8.6 | 10.0 |
| Precipitation (mm) | 20 | 0 | 76 | 182 | 332 | 282 | 381 | 421 | 360 | 394 | 184 | 1 |
| Sunny days | 24 | 26 | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 23 |
| Rainy days | 7 | 2 | 16 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Masau is at