Average annual temperature is 24.1 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: 15.4 °C
Number of sunny days: 129 days
Number of rainy days: 236 days
Look at detailed online map of Niandan
* Weather data for Niandan 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) | 33.1 | 34.6 | 35.0 | 34.6 | 33.6 | 31.5 | 31.1 | 32.0 | 31.1 | 31.8 | 32.2 | 32.9 |
| Average daytime temperature (°C) | 31.6 | 33.4 | 32.9 | 32.3 | 30.5 | 28.4 | 28.1 | 27.7 | 28.5 | 29.2 | 30.4 | 31.4 |
| Average temperature (°C) | 24.1 | 26.0 | 25.6 | 25.4 | 24.5 | 23.3 | 22.9 | 22.8 | 23.1 | 23.4 | 24.1 | 24.0 |
| Average night temperature (°C) | 17.9 | 19.2 | 20.1 | 21.2 | 21.1 | 20.5 | 20.1 | 20.2 | 20.2 | 20.1 | 19.6 | 18.0 |
| Absolute minimum temperature (°C) | 16.1 | 16.9 | 17.4 | 20.1 | 20.1 | 19.6 | 19.4 | 19.1 | 19.3 | 19.1 | 17.4 | 15.4 |
| 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 | 12.7 | 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) | 10.2 | 10.0 | 9.5 | 9.5 | 8.6 | 7.2 | 8.0 | 7.0 | 8.5 | 9.0 | 9.6 | 10.6 |
| Precipitation (mm) | 29 | 6 | 56 | 107 | 275 | 218 | 248 | 402 | 335 | 245 | 78 | 0 |
| Sunny days | 29 | 26 | 20 | 8 | 1 | 0 | 1 | 1 | 0 | 3 | 10 | 30 |
| Rainy days | 2 | 2 | 11 | 22 | 30 | 30 | 30 | 30 | 30 | 28 | 20 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Niandan is at