Average annual temperature is 25.0 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 15.4 °C
Number of sunny days: 97 days
Number of rainy days: 268 days
Look at detailed online map of Nyamandu
* Weather data for Nyamandu 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) | 35.2 | 36.1 | 36.5 | 33.8 | 33.4 | 30.8 | 31.0 | 30.7 | 30.8 | 31.1 | 32.6 | 34.2 |
| Average daytime temperature (°C) | 33.0 | 33.4 | 32.3 | 31.6 | 30.8 | 28.6 | 28.6 | 28.1 | 28.7 | 29.1 | 29.6 | 31.7 |
| Average temperature (°C) | 25.2 | 27.1 | 26.3 | 26.1 | 25.6 | 24.2 | 24.0 | 23.8 | 24.1 | 24.4 | 24.8 | 24.8 |
| Average night temperature (°C) | 18.6 | 21.9 | 22.2 | 22.8 | 22.6 | 21.9 | 21.6 | 21.7 | 21.8 | 21.8 | 21.8 | 19.2 |
| Absolute minimum temperature (°C) | 15.4 | 20.5 | 20.2 | 21.4 | 21.3 | 21.3 | 20.5 | 20.4 | 20.8 | 20.7 | 19.6 | 15.9 |
| 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 | 11.9 | 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 | 9.7 | 8.7 | 8.8 | 7.4 | 6.6 | 7.0 | 5.8 | 7.7 | 7.8 | 8.3 | 9.9 |
| Precipitation (mm) | 56 | 3 | 94 | 179 | 286 | 275 | 370 | 460 | 342 | 338 | 124 | 2 |
| Sunny days | 26 | 24 | 14 | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 25 |
| Rainy days | 5 | 4 | 17 | 27 | 31 | 30 | 31 | 30 | 30 | 30 | 27 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nyamandu is at