Average annual temperature is 25.0 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 16.9 °C
Number of sunny days: 122 days
Number of rainy days: 243 days
Look at detailed online map of Yilandu
* Weather data for Yilandu 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) | 34.4 | 35.5 | 37.1 | 34.3 | 33.6 | 31.1 | 31.2 | 30.6 | 31.1 | 31.1 | 32.3 | 34.4 |
| Average daytime temperature (°C) | 33.1 | 34.0 | 32.9 | 32.0 | 30.8 | 28.6 | 28.6 | 28.2 | 28.8 | 29.3 | 29.9 | 32.0 |
| Average temperature (°C) | 25.4 | 27.1 | 26.2 | 26.1 | 25.6 | 24.2 | 23.9 | 23.8 | 24.0 | 24.3 | 24.7 | 24.9 |
| Average night temperature (°C) | 19.0 | 20.9 | 21.4 | 22.5 | 22.3 | 21.7 | 21.3 | 21.4 | 21.4 | 21.4 | 21.1 | 19.0 |
| Absolute minimum temperature (°C) | 16.9 | 18.3 | 19.1 | 21.6 | 21.1 | 20.8 | 19.6 | 20.3 | 20.6 | 20.5 | 19.1 | 16.9 |
| 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) | 11.7 | 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) | 10.1 | 9.9 | 9.0 | 9.1 | 8.3 | 7.3 | 7.9 | 6.9 | 8.0 | 8.6 | 9.5 | 10.6 |
| Precipitation (mm) | 52 | 1 | 75 | 114 | 239 | 235 | 299 | 359 | 290 | 303 | 93 | 2 |
| Sunny days | 29 | 26 | 15 | 8 | 1 | 0 | 0 | 1 | 1 | 2 | 10 | 29 |
| Rainy days | 2 | 2 | 16 | 22 | 30 | 30 | 31 | 30 | 29 | 29 | 20 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Yilandu is at