Average annual temperature is 25.8 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 17.0 °C
Number of sunny days: 88 days
Number of rainy days: 277 days
Look at detailed online map of Masam
* Weather data for Masam 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) | 37.4 | 38.0 | 38.5 | 35.2 | 34.3 | 33.1 | 33.1 | 33.0 | 32.1 | 32.0 | 32.7 | 35.6 |
| Average daytime temperature (°C) | 35.3 | 36.5 | 34.3 | 33.3 | 32.1 | 29.9 | 29.5 | 28.9 | 29.3 | 29.6 | 30.5 | 33.0 |
| Average temperature (°C) | 26.7 | 28.3 | 27.1 | 26.7 | 26.2 | 24.8 | 24.6 | 24.4 | 24.6 | 25.0 | 25.6 | 25.9 |
| Average night temperature (°C) | 20.6 | 22.7 | 22.6 | 23.2 | 23.2 | 22.4 | 22.4 | 22.4 | 22.4 | 22.6 | 22.9 | 20.8 |
| Absolute minimum temperature (°C) | 17.0 | 21.2 | 20.5 | 22.1 | 22.1 | 21.4 | 21.7 | 21.5 | 21.3 | 21.9 | 21.9 | 17.2 |
| 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 | 8.1 | 7.6 | 7.2 | 7.2 | 5.6 | 6.6 | 7.2 | 7.8 | 9.8 |
| Precipitation (mm) | 5 | 2 | 74 | 170 | 341 | 394 | 485 | 549 | 421 | 400 | 177 | 10 |
| Sunny days | 24 | 21 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 23 |
| Rainy days | 7 | 7 | 18 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 26 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Masam is at