Average annual temperature is 27.4 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 15.4 °C
Number of sunny days: 216 days
Number of rainy days: 149 days
Look at detailed online map of Nianko
* Weather data for Nianko 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) | 36.2 | 38.4 | 38.8 | 39.7 | 38.7 | 33.9 | 33.8 | 32.3 | 32.0 | 35.0 | 35.9 | 36.3 |
| Average daytime temperature (°C) | 32.8 | 35.8 | 37.0 | 37.8 | 34.2 | 31.5 | 30.5 | 29.2 | 29.9 | 32.2 | 34.2 | 33.8 |
| Average temperature (°C) | 25.2 | 28.3 | 30.3 | 31.4 | 29.0 | 27.2 | 26.2 | 25.2 | 25.6 | 27.1 | 27.8 | 25.8 |
| Average night temperature (°C) | 18.4 | 21.3 | 24.0 | 25.2 | 24.7 | 23.6 | 22.7 | 22.1 | 22.1 | 22.6 | 21.7 | 18.5 |
| Absolute minimum temperature (°C) | 15.4 | 19.8 | 20.0 | 22.2 | 22.1 | 22.3 | 21.6 | 21.1 | 21.2 | 21.1 | 17.9 | 15.9 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 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) | 10.3 | 10.0 | 10.3 | 10.3 | 9.0 | 9.6 | 9.4 | 8.4 | 9.5 | 10.3 | 10.6 | 10.6 |
| Precipitation (mm) | 0 | 0 | 7 | 21 | 109 | 47 | 171 | 268 | 194 | 49 | 1 | 0 |
| Sunny days | 30 | 28 | 26 | 26 | 13 | 12 | 4 | 2 | 4 | 13 | 27 | 31 |
| Rainy days | 1 | 0 | 5 | 4 | 18 | 18 | 27 | 29 | 26 | 18 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nianko is at