Average annual temperature is 24.8 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 14.2 °C
Number of sunny days: 99 days
Number of rainy days: 266 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) | 35.6 | 36.1 | 36.5 | 33.5 | 34.6 | 31.5 | 31.0 | 30.9 | 31.2 | 31.5 | 32.1 | 34.7 |
| Average daytime temperature (°C) | 33.2 | 33.6 | 32.4 | 31.6 | 30.9 | 28.7 | 28.6 | 28.2 | 28.7 | 29.4 | 29.7 | 31.8 |
| Average temperature (°C) | 24.9 | 27.1 | 26.1 | 25.9 | 25.4 | 24.1 | 23.8 | 23.8 | 24.0 | 24.3 | 24.7 | 24.4 |
| Average night temperature (°C) | 17.9 | 21.6 | 21.9 | 22.4 | 22.2 | 21.6 | 21.4 | 21.5 | 21.6 | 21.5 | 21.4 | 18.5 |
| Absolute minimum temperature (°C) | 14.2 | 20.4 | 19.8 | 21.1 | 21.0 | 21.0 | 20.5 | 20.1 | 20.6 | 20.6 | 19.1 | 15.5 |
| 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 | 12.6 | 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) | 10.0 | 9.6 | 8.7 | 8.7 | 7.5 | 6.6 | 7.1 | 6.0 | 7.7 | 8.0 | 8.2 | 10.1 |
| Precipitation (mm) | 63 | 2 | 87 | 176 | 315 | 296 | 417 | 421 | 333 | 300 | 106 | 1 |
| Sunny days | 25 | 23 | 13 | 3 | 1 | 0 | 0 | 1 | 0 | 1 | 5 | 27 |
| Rainy days | 6 | 5 | 18 | 27 | 30 | 30 | 31 | 30 | 30 | 30 | 25 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Yilandu is at