Average annual temperature is 25.8 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of Njama
* Weather data for Njama 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) | 36.4 | 36.1 | 36.5 | 34.2 | 33.8 | 32.0 | 31.7 | 32.0 | 31.6 | 31.5 | 32.1 | 34.5 |
| Average daytime temperature (°C) | 33.7 | 34.3 | 32.8 | 32.4 | 31.5 | 29.6 | 29.5 | 28.8 | 29.3 | 29.8 | 30.2 | 32.0 |
| Average temperature (°C) | 25.9 | 27.9 | 26.9 | 27.0 | 26.5 | 25.2 | 24.9 | 24.7 | 24.9 | 25.2 | 25.6 | 25.3 |
| Average night temperature (°C) | 19.7 | 22.8 | 22.8 | 23.7 | 23.6 | 22.9 | 22.6 | 22.6 | 22.7 | 22.7 | 22.7 | 20.0 |
| Absolute minimum temperature (°C) | 15.5 | 21.0 | 20.5 | 22.1 | 22.6 | 21.8 | 21.3 | 21.1 | 21.7 | 22.0 | 21.1 | 15.8 |
| 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 | 12.5 | 12.4 | 12.2 | 11.9 | 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 | 9.6 | 8.6 | 8.6 | 7.5 | 7.2 | 7.3 | 5.6 | 7.0 | 7.7 | 8.2 | 9.9 |
| Precipitation (mm) | 12 | 5 | 77 | 198 | 320 | 265 | 408 | 392 | 353 | 354 | 194 | 2 |
| Sunny days | 24 | 24 | 13 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 21 |
| Rainy days | 7 | 4 | 18 | 28 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Njama is at