Average annual temperature is 26.7 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 14.3 °C
Number of sunny days: 209 days
Number of rainy days: 156 days
Look at detailed online map of Niéro
* Weather data for Niéro 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) | 35.5 | 36.9 | 38.8 | 39.3 | 38.7 | 36.0 | 35.0 | 34.0 | 34.6 | 36.0 | 36.2 | 35.0 |
| Average daytime temperature (°C) | 32.3 | 35.0 | 36.7 | 37.8 | 34.9 | 32.7 | 31.7 | 30.4 | 31.3 | 32.9 | 34.3 | 32.5 |
| Average temperature (°C) | 23.8 | 26.6 | 28.6 | 30.3 | 28.5 | 27.1 | 26.1 | 25.2 | 25.6 | 26.9 | 26.9 | 24.4 |
| Average night temperature (°C) | 17.2 | 19.8 | 22.1 | 23.8 | 23.8 | 23.0 | 22.3 | 21.9 | 21.8 | 22.1 | 20.5 | 17.3 |
| Absolute minimum temperature (°C) | 14.3 | 17.5 | 18.1 | 21.0 | 21.6 | 21.9 | 21.4 | 21.1 | 20.9 | 19.9 | 15.4 | 14.5 |
| 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) | 10.4 | 9.9 | 10.2 | 10.5 | 8.7 | 9.9 | 9.6 | 8.6 | 9.4 | 10.2 | 10.6 | 10.6 |
| Precipitation (mm) | 0 | 0 | 3 | 16 | 68 | 75 | 173 | 214 | 221 | 66 | 10 | 0 |
| Sunny days | 31 | 28 | 27 | 25 | 13 | 9 | 2 | 0 | 5 | 12 | 26 | 31 |
| Rainy days | 0 | 0 | 4 | 5 | 18 | 21 | 29 | 31 | 25 | 19 | 4 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Niéro is at