Average annual temperature is 25.5 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 111 days
Number of rainy days: 254 days
Look at detailed online map of Nyandawalo
* Weather data for Nyandawalo 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) | 35.7 | 36.5 | 37.7 | 34.9 | 33.9 | 32.0 | 31.6 | 32.2 | 31.8 | 32.3 | 33.2 | 35.0 |
| Average daytime temperature (°C) | 33.8 | 34.7 | 33.4 | 33.1 | 31.6 | 29.3 | 29.3 | 28.7 | 29.5 | 29.9 | 30.5 | 32.5 |
| Average temperature (°C) | 25.4 | 27.7 | 26.8 | 26.9 | 26.2 | 24.8 | 24.5 | 24.4 | 24.7 | 24.9 | 25.2 | 24.7 |
| Average night temperature (°C) | 18.2 | 21.7 | 22.2 | 23.3 | 23.0 | 22.4 | 22.0 | 22.1 | 22.1 | 22.0 | 21.7 | 18.1 |
| Absolute minimum temperature (°C) | 15.6 | 18.1 | 19.7 | 21.7 | 21.8 | 21.5 | 20.5 | 21.2 | 21.5 | 20.9 | 19.3 | 15.1 |
| 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 | 9.8 | 8.8 | 8.7 | 8.0 | 6.6 | 7.1 | 6.5 | 7.7 | 8.5 | 9.0 | 10.5 |
| Precipitation (mm) | 50 | 0 | 85 | 171 | 230 | 284 | 330 | 415 | 303 | 316 | 120 | 2 |
| Sunny days | 27 | 26 | 12 | 5 | 1 | 0 | 0 | 1 | 0 | 1 | 9 | 29 |
| Rainy days | 4 | 2 | 19 | 25 | 30 | 30 | 31 | 30 | 30 | 30 | 21 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nyandawalo is at