Average annual temperature is 23.5 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: 15.9 °C
Number of sunny days: 120 days
Number of rainy days: 245 days
Look at detailed online map of Nyandankolia
* Weather data for Nyandankolia 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) | 33.0 | 33.8 | 34.2 | 33.1 | 32.0 | 30.7 | 31.0 | 32.1 | 31.1 | 30.9 | 31.3 | 32.5 |
| Average daytime temperature (°C) | 31.0 | 32.7 | 32.0 | 31.3 | 29.9 | 27.6 | 27.6 | 26.9 | 27.9 | 29.1 | 29.7 | 30.7 |
| Average temperature (°C) | 24.0 | 25.6 | 24.9 | 24.6 | 23.9 | 22.5 | 22.2 | 22.1 | 22.4 | 22.9 | 23.6 | 23.9 |
| Average night temperature (°C) | 18.5 | 19.4 | 19.8 | 20.6 | 20.6 | 19.9 | 19.6 | 19.7 | 19.6 | 19.7 | 19.5 | 18.7 |
| Absolute minimum temperature (°C) | 17.1 | 17.7 | 18.3 | 19.7 | 19.8 | 18.8 | 18.7 | 18.8 | 19.0 | 18.7 | 17.1 | 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 | 11.8 | 12.1 | 12.3 | 12.5 | 12.7 | 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 | 10.0 | 9.7 | 9.3 | 8.3 | 7.6 | 8.0 | 7.2 | 8.4 | 8.7 | 9.6 | 10.6 |
| Precipitation (mm) | 40 | 3 | 67 | 142 | 276 | 255 | 357 | 417 | 396 | 301 | 102 | 1 |
| Sunny days | 28 | 25 | 16 | 10 | 2 | 0 | 0 | 0 | 0 | 1 | 9 | 29 |
| Rainy days | 3 | 3 | 15 | 20 | 29 | 30 | 31 | 31 | 30 | 30 | 21 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nyandankolia is at