Average annual temperature is 24.7 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: 14.2 °C
Number of sunny days: 133 days
Number of rainy days: 232 days
Look at detailed online map of Nianin
* Weather data for Nianin 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) | 33.6 | 35.2 | 36.4 | 35.1 | 34.5 | 31.6 | 31.1 | 32.3 | 31.9 | 32.2 | 33.5 | 32.1 |
| Average daytime temperature (°C) | 31.7 | 33.5 | 33.4 | 33.1 | 32.0 | 29.4 | 28.8 | 28.4 | 29.3 | 29.7 | 31.1 | 30.8 |
| Average temperature (°C) | 24.0 | 26.4 | 26.3 | 26.5 | 26.1 | 23.9 | 23.5 | 23.4 | 23.6 | 24.3 | 25.0 | 23.6 |
| Average night temperature (°C) | 17.5 | 20.3 | 21.2 | 21.7 | 21.8 | 20.6 | 20.3 | 20.3 | 20.2 | 20.4 | 20.1 | 17.3 |
| Absolute minimum temperature (°C) | 15.1 | 17.6 | 19.7 | 20.6 | 20.5 | 19.5 | 19.5 | 19.5 | 18.9 | 19.3 | 16.5 | 14.2 |
| 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 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 10.7 | 10.1 | 9.1 | 10.0 | 9.1 | 8.8 | 8.7 | 7.9 | 8.8 | 9.6 | 9.9 | 10.7 |
| Precipitation (mm) | 3 | 3 | 80 | 58 | 117 | 199 | 212 | 328 | 255 | 102 | 79 | 0 |
| Sunny days | 30 | 24 | 13 | 13 | 5 | 0 | 0 | 0 | 0 | 7 | 11 | 30 |
| Rainy days | 1 | 4 | 18 | 17 | 26 | 30 | 31 | 31 | 30 | 24 | 19 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nianin is at