Average annual temperature is 26.2 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: 20.3 °C
Number of sunny days: 64 days
Number of rainy days: 301 days
Look at detailed online map of Yonaima
* Weather data for Yonaima 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) | 33.8 | 32.3 | 33.1 | 32.3 | 31.6 | 30.0 | 30.0 | 29.9 | 29.9 | 30.6 | 31.7 | 34.6 |
| Average daytime temperature (°C) | 31.4 | 31.3 | 31.1 | 30.9 | 30.2 | 28.2 | 27.6 | 27.6 | 28.0 | 28.8 | 29.7 | 31.9 |
| Average temperature (°C) | 26.7 | 27.0 | 26.9 | 27.3 | 26.9 | 25.7 | 25.1 | 25.2 | 25.3 | 25.5 | 26.2 | 26.9 |
| Average night temperature (°C) | 23.4 | 24.0 | 24.2 | 24.8 | 24.6 | 23.9 | 23.4 | 23.6 | 23.2 | 23.2 | 23.7 | 23.2 |
| Absolute minimum temperature (°C) | 21.8 | 22.8 | 22.6 | 23.3 | 23.3 | 22.4 | 22.7 | 22.6 | 22.3 | 22.6 | 22.7 | 20.3 |
| 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 | 12.5 | 12.5 | 12.4 | 12.2 | 12.0 | 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) | 10.0 | 10.1 | 9.5 | 9.0 | 8.2 | 7.2 | 6.5 | 5.6 | 7.0 | 7.5 | 8.6 | 10.2 |
| Precipitation (mm) | 13 | 15 | 40 | 178 | 321 | 401 | 685 | 540 | 427 | 404 | 213 | 33 |
| Sunny days | 19 | 13 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 |
| Rainy days | 12 | 15 | 20 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Yonaima is at