Average annual temperature is 26.4 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 120 days
Number of rainy days: 245 days
Look at detailed online map of Masis
* Weather data for Masis 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) | 37.9 | 38.2 | 38.5 | 37.4 | 37.3 | 32.6 | 33.2 | 33.4 | 32.7 | 33.0 | 33.8 | 36.1 |
| Average daytime temperature (°C) | 36.2 | 36.8 | 35.8 | 35.3 | 33.1 | 30.4 | 30.3 | 29.0 | 29.9 | 30.8 | 31.8 | 33.9 |
| Average temperature (°C) | 27.1 | 28.2 | 27.8 | 28.1 | 27.2 | 25.3 | 25.0 | 24.6 | 25.0 | 25.5 | 26.3 | 26.2 |
| Average night temperature (°C) | 20.7 | 22.4 | 22.9 | 23.7 | 24.1 | 23.1 | 22.5 | 22.5 | 22.6 | 22.9 | 22.9 | 20.9 |
| Absolute minimum temperature (°C) | 17.9 | 21.1 | 20.8 | 22.4 | 23.2 | 22.2 | 20.8 | 21.5 | 21.6 | 22.1 | 21.9 | 17.7 |
| 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 | 11.8 | 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) | 9.8 | 9.9 | 9.5 | 9.0 | 7.6 | 6.5 | 7.5 | 5.8 | 6.5 | 7.5 | 8.3 | 9.8 |
| Precipitation (mm) | 1 | 0 | 28 | 91 | 286 | 371 | 502 | 613 | 461 | 421 | 118 | 2 |
| Sunny days | 28 | 26 | 18 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 27 |
| Rainy days | 3 | 2 | 13 | 17 | 30 | 30 | 31 | 31 | 30 | 31 | 23 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Masis is at