Last updated: March 2, 2024
The weather in Spa, Belgium, during August is characterized by an average temperature of 18°C (64°F). Highs can soar to 31°C (87°F), while lows may dip to 8°C (47°F). Typically, the humidity level in Spa throughout August hovers around 71%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Spa averages 83 mm (3.3 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 14 hours 25 minutes of daylight, with the sun shining for approximately 12 hours 19 minutes each day. Additionally, there is a 28% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Spa 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 | ||||||||