Average annual temperature is 25.6 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 55 days
Number of rainy days: 310 days
Look at detailed online map of Niayama
* Weather data for Niayama 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) | 35.1 | 36.2 | 36.4 | 34.8 | 34.2 | 31.9 | 33.0 | 33.0 | 32.8 | 32.4 | 32.3 | 34.3 |
| Average daytime temperature (°C) | 33.5 | 34.3 | 33.4 | 32.5 | 31.3 | 29.2 | 28.7 | 28.9 | 29.1 | 29.8 | 30.5 | 32.6 |
| Average temperature (°C) | 26.1 | 26.9 | 26.6 | 26.5 | 26.1 | 24.9 | 24.5 | 24.5 | 24.7 | 24.9 | 25.5 | 25.9 |
| Average night temperature (°C) | 21.6 | 22.9 | 23.0 | 23.5 | 23.4 | 22.7 | 22.4 | 22.6 | 22.6 | 22.6 | 22.8 | 21.7 |
| Absolute minimum temperature (°C) | 19.1 | 21.3 | 21.6 | 22.2 | 22.6 | 21.7 | 21.1 | 21.2 | 21.9 | 22.0 | 22.1 | 18.1 |
| 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 | 12.5 | 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) | 9.7 | 9.7 | 8.6 | 8.3 | 7.2 | 6.8 | 6.7 | 5.9 | 6.7 | 7.3 | 7.9 | 9.8 |
| Precipitation (mm) | 11 | 17 | 79 | 200 | 379 | 407 | 496 | 556 | 400 | 400 | 213 | 13 |
| Sunny days | 21 | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 19 |
| Rainy days | 10 | 18 | 27 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 29 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Niayama is at