Average annual temperature is 25.6 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 18.2 °C
Number of sunny days: 56 days
Number of rainy days: 309 days
Look at detailed online map of Nieyama
* Weather data for Nieyama 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) | 34.7 | 36.0 | 36.2 | 34.7 | 34.3 | 31.8 | 32.8 | 32.7 | 32.7 | 32.3 | 32.1 | 34.0 |
| Average daytime temperature (°C) | 33.3 | 34.0 | 33.3 | 32.4 | 31.2 | 29.1 | 28.8 | 28.8 | 29.1 | 29.7 | 30.4 | 32.4 |
| Average temperature (°C) | 26.1 | 26.9 | 26.7 | 26.6 | 26.1 | 24.9 | 24.6 | 24.6 | 24.7 | 25.0 | 25.5 | 25.9 |
| Average night temperature (°C) | 21.5 | 22.8 | 23.0 | 23.4 | 23.3 | 22.7 | 22.4 | 22.6 | 22.6 | 22.6 | 22.7 | 21.6 |
| Absolute minimum temperature (°C) | 19.1 | 21.3 | 21.7 | 22.1 | 22.5 | 21.6 | 21.1 | 21.3 | 22.0 | 21.7 | 22.1 | 18.2 |
| 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) | 9.8 | 9.8 | 8.6 | 8.3 | 7.2 | 6.5 | 6.5 | 5.8 | 6.8 | 7.1 | 7.7 | 9.8 |
| Precipitation (mm) | 11 | 15 | 97 | 196 | 354 | 349 | 462 | 542 | 391 | 395 | 207 | 17 |
| Sunny days | 21 | 10 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 19 |
| Rainy days | 10 | 18 | 27 | 30 | 30 | 30 | 31 | 31 | 30 | 31 | 29 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Nieyama during the most sunny months:
The largest precipitation sum in Nieyama is at