Average annual temperature is 25.7 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: 13.0 °C
Number of sunny days: 176 days
Number of rainy days: 189 days
Look at detailed online map of Niankoulan
* Weather data for Niankoulan 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) | 34.6 | 36.4 | 38.5 | 39.2 | 36.2 | 33.6 | 31.4 | 33.0 | 31.6 | 33.6 | 34.1 | 34.4 |
| Average daytime temperature (°C) | 32.2 | 34.7 | 36.2 | 36.3 | 32.7 | 30.2 | 29.3 | 29.0 | 29.4 | 30.3 | 32.8 | 32.2 |
| Average temperature (°C) | 23.9 | 26.8 | 28.3 | 29.1 | 27.0 | 25.3 | 24.4 | 24.1 | 24.3 | 25.0 | 26.1 | 24.2 |
| Average night temperature (°C) | 16.7 | 19.7 | 21.4 | 22.8 | 22.9 | 21.9 | 21.3 | 21.2 | 21.0 | 21.2 | 20.3 | 16.5 |
| Absolute minimum temperature (°C) | 14.4 | 16.9 | 18.6 | 21.8 | 21.8 | 21.0 | 20.3 | 20.4 | 20.2 | 19.8 | 16.7 | 13.0 |
| 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) | 10.2 | 10.1 | 10.3 | 10.1 | 8.9 | 9.4 | 9.6 | 8.3 | 8.8 | 9.4 | 10.6 | 10.6 |
| Precipitation (mm) | 6 | 0 | 5 | 26 | 159 | 180 | 286 | 332 | 318 | 152 | 9 | 0 |
| Sunny days | 30 | 26 | 27 | 25 | 5 | 3 | 2 | 0 | 0 | 5 | 22 | 31 |
| Rainy days | 1 | 2 | 4 | 5 | 26 | 27 | 29 | 31 | 30 | 26 | 8 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Niankoulan is at