Average annual temperature is 27.1 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 14.3 °C
Number of sunny days: 193 days
Number of rainy days: 172 days
Look at detailed online map of Nialama
* Weather data for Nialama Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 38.7 | 40.1 | 40.1 | 40.8 | 37.5 | 35.7 | 32.7 | 31.9 | 33.1 | 33.0 | 36.2 | 37.6 |
| Average daytime temperature (°C) | 35.9 | 37.8 | 37.9 | 38.2 | 35.2 | 32.9 | 30.3 | 30.1 | 30.6 | 31.4 | 33.2 | 34.8 |
| Average temperature (°C) | 26.1 | 28.9 | 30.0 | 30.9 | 29.3 | 27.7 | 25.7 | 25.4 | 25.6 | 26.0 | 25.6 | 24.7 |
| Average night temperature (°C) | 17.0 | 20.3 | 22.1 | 24.1 | 25.1 | 24.0 | 22.8 | 22.6 | 22.5 | 22.6 | 19.0 | 16.3 |
| Absolute minimum temperature (°C) | 15.2 | 17.1 | 18.1 | 22.1 | 23.7 | 22.8 | 21.3 | 21.6 | 21.5 | 21.3 | 14.9 | 14.3 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.7 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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) | 10.1 | 10.2 | 10.4 | 10.7 | 8.5 | 9.0 | 8.2 | 7.8 | 8.0 | 8.5 | 10.5 | 10.0 |
| Precipitation (mm) | 0 | 0 | 0 | 1 | 35 | 151 | 395 | 404 | 397 | 292 | 6 | 0 |
| Sunny days | 31 | 28 | 31 | 29 | 11 | 7 | 0 | 0 | 0 | 2 | 24 | 30 |
| Rainy days | 0 | 0 | 0 | 1 | 20 | 23 | 31 | 31 | 30 | 29 | 6 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nialama is at