Average annual temperature is 25.8 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 88 days
Number of rainy days: 277 days
Look at detailed online map of Nomiama
* Weather data for Nomiama 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) | 36.3 | 37.5 | 38.4 | 35.7 | 34.6 | 33.0 | 33.3 | 32.6 | 32.5 | 32.0 | 32.5 | 35.0 |
| Average daytime temperature (°C) | 34.8 | 36.1 | 34.5 | 33.6 | 32.3 | 29.5 | 29.3 | 28.7 | 29.3 | 29.6 | 30.5 | 32.9 |
| Average temperature (°C) | 26.7 | 28.0 | 27.2 | 26.9 | 26.3 | 24.8 | 24.5 | 24.4 | 24.7 | 24.9 | 25.7 | 26.0 |
| Average night temperature (°C) | 21.1 | 22.7 | 22.9 | 23.4 | 23.4 | 22.6 | 22.4 | 22.4 | 22.4 | 22.6 | 22.9 | 21.3 |
| Absolute minimum temperature (°C) | 18.1 | 20.9 | 20.9 | 22.6 | 22.4 | 21.5 | 21.5 | 21.3 | 21.4 | 21.9 | 22.0 | 17.9 |
| 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 | 12.5 | 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 | 9.8 | 8.6 | 8.3 | 7.2 | 7.4 | 7.3 | 5.3 | 6.7 | 7.0 | 7.9 | 9.6 |
| Precipitation (mm) | 9 | 4 | 79 | 128 | 325 | 384 | 444 | 581 | 424 | 388 | 141 | 7 |
| Sunny days | 24 | 19 | 14 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 25 |
| Rainy days | 7 | 9 | 17 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nomiama is at