Last updated: March 2, 2024
The weather in Watermael-Boitsfort, Belgium, during May is characterized by an average temperature of 13°C (57°F). Highs can soar to 26°C (80°F), while lows may dip to 2°C (36°F). Typically, the humidity level in Watermael-Boitsfort throughout May hovers around 82%.
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In May, Watermael-Boitsfort averages 60 mm (2.4 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 15 hours 31 minutes of daylight, with the sun shining for approximately 12 hours 42 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
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In May, the UV Index in Watermael-Boitsfort reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 4 | 5 | 7 | 7 | 7 | 6 | 5 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||