Average annual temperature is 25.9 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 88 days
Number of rainy days: 277 days
Look at detailed online map of Yalu
* Weather data for Yalu 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) | 37.2 | 38.0 | 39.1 | 35.3 | 34.3 | 33.3 | 32.8 | 33.0 | 32.5 | 31.7 | 32.8 | 35.9 |
| Average daytime temperature (°C) | 35.5 | 36.7 | 34.6 | 33.3 | 32.0 | 29.9 | 29.7 | 28.8 | 29.5 | 29.7 | 30.6 | 33.4 |
| Average temperature (°C) | 26.8 | 28.4 | 27.2 | 26.8 | 26.3 | 24.9 | 24.6 | 24.4 | 24.7 | 25.0 | 25.6 | 26.0 |
| Average night temperature (°C) | 20.5 | 22.6 | 22.6 | 23.3 | 23.3 | 22.6 | 22.4 | 22.5 | 22.5 | 22.6 | 22.8 | 20.8 |
| Absolute minimum temperature (°C) | 17.3 | 21.6 | 20.9 | 22.0 | 22.3 | 21.2 | 21.2 | 21.4 | 21.5 | 21.9 | 21.6 | 17.2 |
| 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) | 9.8 | 9.8 | 8.6 | 8.5 | 7.7 | 7.1 | 6.9 | 5.6 | 6.8 | 7.6 | 8.1 | 10.0 |
| Precipitation (mm) | 5 | 1 | 76 | 197 | 311 | 305 | 400 | 596 | 407 | 398 | 166 | 10 |
| Sunny days | 25 | 22 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 24 |
| Rainy days | 6 | 6 | 20 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Yalu is at