Average annual temperature is 25.1 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 123 days
Number of rainy days: 242 days
Look at detailed online map of Yanwulia
* Weather data for Yanwulia 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) | 35.0 | 36.6 | 37.2 | 34.9 | 32.8 | 31.6 | 30.6 | 32.6 | 31.0 | 30.6 | 32.5 | 35.2 |
| Average daytime temperature (°C) | 33.5 | 34.5 | 34.2 | 32.9 | 30.6 | 29.1 | 28.9 | 28.0 | 28.7 | 29.1 | 29.8 | 32.1 |
| Average temperature (°C) | 25.8 | 27.2 | 26.8 | 26.5 | 25.5 | 24.3 | 24.0 | 23.7 | 23.9 | 24.2 | 24.5 | 24.7 |
| Average night temperature (°C) | 19.0 | 20.5 | 21.2 | 22.3 | 22.4 | 21.8 | 21.4 | 21.5 | 21.5 | 21.4 | 21.1 | 18.9 |
| Absolute minimum temperature (°C) | 16.6 | 18.1 | 18.9 | 20.8 | 21.4 | 20.9 | 19.7 | 20.3 | 20.6 | 20.3 | 19.0 | 16.5 |
| 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 | 11.8 | 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) | 9.9 | 10.0 | 9.5 | 8.9 | 7.2 | 6.2 | 7.1 | 5.9 | 6.9 | 7.9 | 8.8 | 10.2 |
| Precipitation (mm) | 19 | 2 | 31 | 117 | 288 | 311 | 305 | 459 | 352 | 366 | 125 | 6 |
| Sunny days | 29 | 24 | 19 | 13 | 2 | 0 | 0 | 0 | 0 | 0 | 8 | 28 |
| Rainy days | 2 | 4 | 12 | 17 | 29 | 30 | 31 | 31 | 30 | 31 | 22 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Yanwulia is at