Average annual temperature is 25.3 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 14.9 °C
Number of sunny days: 137 days
Number of rainy days: 228 days
Look at detailed online map of Yalia
* Weather data for Yalia 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) | 34.9 | 36.8 | 37.3 | 37.0 | 34.2 | 31.9 | 31.9 | 32.2 | 31.5 | 32.0 | 33.5 | 34.7 |
| Average daytime temperature (°C) | 32.8 | 35.0 | 35.1 | 34.5 | 31.3 | 29.2 | 28.8 | 28.3 | 29.0 | 29.9 | 31.6 | 32.9 |
| Average temperature (°C) | 24.8 | 27.2 | 27.6 | 27.6 | 25.9 | 24.5 | 24.0 | 23.8 | 24.1 | 24.6 | 25.4 | 24.8 |
| Average night temperature (°C) | 17.8 | 20.2 | 21.5 | 22.6 | 22.6 | 21.9 | 21.4 | 21.4 | 21.3 | 21.4 | 21.0 | 17.9 |
| Absolute minimum temperature (°C) | 15.2 | 17.6 | 18.6 | 21.1 | 21.4 | 20.9 | 19.5 | 20.3 | 20.5 | 20.6 | 17.5 | 14.9 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 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) | 9.9 | 10.0 | 9.9 | 9.4 | 7.5 | 6.7 | 7.4 | 6.7 | 7.9 | 8.3 | 9.5 | 10.2 |
| Precipitation (mm) | 26 | 0 | 19 | 100 | 252 | 349 | 350 | 364 | 416 | 325 | 74 | 1 |
| Sunny days | 29 | 27 | 22 | 14 | 3 | 0 | 0 | 0 | 0 | 0 | 13 | 29 |
| Rainy days | 2 | 1 | 9 | 16 | 28 | 30 | 31 | 31 | 30 | 31 | 17 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Yalia is at