Average annual temperature is 26.7 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 13.5 °C
Number of sunny days: 203 days
Number of rainy days: 162 days
Look at detailed online map of Helayabé
* Weather data for Helayabé 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) | 35.3 | 37.4 | 38.5 | 39.3 | 38.3 | 35.1 | 32.3 | 32.0 | 32.2 | 34.2 | 35.0 | 35.0 |
| Average daytime temperature (°C) | 32.4 | 35.3 | 36.8 | 37.7 | 34.6 | 31.6 | 29.9 | 28.9 | 29.5 | 30.8 | 33.7 | 32.8 |
| Average temperature (°C) | 24.6 | 28.0 | 29.7 | 30.8 | 28.9 | 26.5 | 25.1 | 24.6 | 24.8 | 25.6 | 27.0 | 25.2 |
| Average night temperature (°C) | 16.9 | 20.7 | 22.6 | 23.9 | 24.1 | 22.6 | 21.7 | 21.5 | 21.4 | 21.5 | 20.6 | 17.6 |
| Absolute minimum temperature (°C) | 14.4 | 17.5 | 19.8 | 21.6 | 22.5 | 21.4 | 20.7 | 20.5 | 20.3 | 19.2 | 17.0 | 13.5 |
| 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) | 10.3 | 10.0 | 10.2 | 10.3 | 9.2 | 9.7 | 9.6 | 8.7 | 9.0 | 9.4 | 10.7 | 10.4 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 70 | 138 | 251 | 354 | 365 | 113 | 0 | 0 |
| Sunny days | 31 | 27 | 29 | 28 | 13 | 4 | 1 | 1 | 2 | 8 | 28 | 31 |
| Rainy days | 0 | 1 | 2 | 2 | 18 | 26 | 30 | 30 | 28 | 23 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Helayabé is at