Average annual temperature is 25.9 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 14.1 °C
Number of sunny days: 156 days
Number of rainy days: 209 days
Look at detailed online map of Niansso
* Weather data for Niansso 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) | 39.4 | 39.9 | 39.6 | 39.0 | 36.1 | 34.3 | 33.0 | 33.3 | 32.6 | 33.4 | 36.9 | 37.9 |
| Average daytime temperature (°C) | 36.1 | 37.0 | 37.0 | 37.0 | 33.2 | 31.2 | 29.9 | 29.8 | 30.3 | 31.0 | 33.5 | 35.2 |
| Average temperature (°C) | 26.0 | 27.7 | 28.0 | 28.5 | 26.7 | 25.3 | 24.4 | 24.4 | 24.5 | 24.9 | 26.0 | 25.0 |
| Average night temperature (°C) | 17.5 | 19.9 | 20.9 | 22.5 | 22.9 | 22.5 | 21.8 | 21.8 | 21.6 | 21.8 | 20.6 | 16.9 |
| Absolute minimum temperature (°C) | 15.7 | 18.5 | 18.3 | 20.3 | 22.0 | 21.7 | 19.3 | 20.7 | 20.5 | 21.1 | 16.4 | 14.1 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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 | 10.0 | 10.2 | 10.3 | 7.7 | 7.7 | 7.3 | 7.0 | 7.4 | 7.4 | 9.7 | 10.1 |
| Precipitation (mm) | 0 | 0 | 4 | 25 | 205 | 340 | 493 | 520 | 422 | 318 | 34 | 0 |
| Sunny days | 31 | 28 | 27 | 23 | 4 | 0 | 0 | 0 | 0 | 1 | 12 | 30 |
| Rainy days | 0 | 0 | 4 | 7 | 27 | 30 | 31 | 31 | 30 | 30 | 18 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Niansso is at