Average annual temperature is 25.0 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of Sembema
* Weather data for Sembema 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) | 35.3 | 36.6 | 37.2 | 34.5 | 32.6 | 31.9 | 31.6 | 31.4 | 31.9 | 31.0 | 31.5 | 33.7 |
| Average daytime temperature (°C) | 33.4 | 35.0 | 33.5 | 32.3 | 30.8 | 28.9 | 28.6 | 27.9 | 28.5 | 28.9 | 29.5 | 31.5 |
| Average temperature (°C) | 25.7 | 27.2 | 26.3 | 26.0 | 25.4 | 24.0 | 23.7 | 23.5 | 23.8 | 24.2 | 24.7 | 25.2 |
| Average night temperature (°C) | 19.9 | 21.8 | 21.8 | 22.7 | 22.5 | 21.7 | 21.6 | 21.7 | 21.6 | 21.8 | 21.9 | 20.2 |
| Absolute minimum temperature (°C) | 17.2 | 20.5 | 20.3 | 21.8 | 21.6 | 20.5 | 20.1 | 20.8 | 20.9 | 20.9 | 20.8 | 17.5 |
| 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 | 8.7 | 8.5 | 7.6 | 7.3 | 6.8 | 5.2 | 7.2 | 7.5 | 8.4 | 10.1 |
| Precipitation (mm) | 17 | 4 | 89 | 184 | 327 | 322 | 398 | 485 | 402 | 376 | 159 | 2 |
| Sunny days | 25 | 22 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 25 |
| Rainy days | 6 | 6 | 20 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sembema is at