Last updated: March 2, 2024
The weather in Grandmenil, Belgium, during August is characterized by an average temperature of 17°C (63°F). Highs can soar to 30°C (86°F), while lows may dip to 7°C (46°F). Typically, the humidity level in Grandmenil throughout August hovers around 71%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Grandmenil averages 90 mm (3.5 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 14 hours 23 minutes of daylight, with the sun shining for approximately 12 hours 19 minutes each day. Additionally, there is a 27% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Grandmenil reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 5 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||