Average annual temperature is 25.8 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 69 days
Number of rainy days: 296 days
Look at detailed online map of Masao
* Weather data for Masao 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) | 35.6 | 36.8 | 37.0 | 35.2 | 34.3 | 32.5 | 32.7 | 32.7 | 32.1 | 32.3 | 32.8 | 35.0 |
| Average daytime temperature (°C) | 34.4 | 35.2 | 34.1 | 33.1 | 31.8 | 29.6 | 29.0 | 28.5 | 29.1 | 29.6 | 30.6 | 32.9 |
| Average temperature (°C) | 26.6 | 27.5 | 27.0 | 26.9 | 26.3 | 24.9 | 24.6 | 24.5 | 24.8 | 25.0 | 25.7 | 26.1 |
| Average night temperature (°C) | 21.6 | 22.8 | 22.9 | 23.6 | 23.5 | 22.6 | 22.5 | 22.6 | 22.6 | 22.7 | 22.9 | 21.5 |
| Absolute minimum temperature (°C) | 18.7 | 21.3 | 20.9 | 22.7 | 22.7 | 21.6 | 21.9 | 21.2 | 21.3 | 22.0 | 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 | 12.5 | 12.4 | 12.2 | 12.0 | 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) | 9.6 | 9.6 | 8.4 | 8.2 | 7.4 | 6.9 | 6.6 | 5.6 | 6.5 | 6.6 | 8.0 | 9.7 |
| Precipitation (mm) | 10 | 12 | 70 | 170 | 353 | 393 | 618 | 589 | 487 | 413 | 162 | 11 |
| Sunny days | 22 | 15 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 22 |
| Rainy days | 9 | 13 | 24 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Masao is at