Average annual temperature is 25.4 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 134 days
Number of rainy days: 231 days
Look at detailed online map of Nianaya
* Weather data for Nianaya 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) | 36.6 | 38.2 | 37.4 | 36.5 | 34.1 | 30.5 | 30.3 | 31.6 | 31.4 | 32.2 | 34.2 | 36.4 |
| Average daytime temperature (°C) | 34.7 | 35.8 | 34.3 | 33.2 | 31.1 | 28.4 | 27.7 | 27.7 | 28.6 | 29.6 | 31.5 | 34.0 |
| Average temperature (°C) | 26.3 | 27.1 | 26.3 | 26.2 | 25.9 | 24.4 | 23.8 | 23.8 | 24.2 | 24.6 | 25.4 | 26.2 |
| Average night temperature (°C) | 19.5 | 21.3 | 21.1 | 21.8 | 22.7 | 22.3 | 21.8 | 21.9 | 21.8 | 21.8 | 21.6 | 20.3 |
| Absolute minimum temperature (°C) | 16.3 | 19.6 | 19.7 | 18.7 | 21.4 | 21.0 | 19.6 | 20.6 | 20.6 | 20.9 | 18.8 | 17.3 |
| 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 | 12.3 | 12.6 | 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 | 10.3 | 10.4 | 9.9 | 8.0 | 6.7 | 6.8 | 6.1 | 6.7 | 7.7 | 9.9 | 10.3 |
| Precipitation (mm) | 0 | 0 | 12 | 55 | 186 | 300 | 393 | 523 | 415 | 288 | 57 | 7 |
| Sunny days | 30 | 26 | 21 | 16 | 2 | 0 | 0 | 0 | 0 | 0 | 11 | 28 |
| Rainy days | 1 | 2 | 10 | 14 | 29 | 30 | 31 | 31 | 30 | 31 | 19 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nianaya is at