Last updated: August 22, 2025
In May, the average temperature in Watermael-Boitsfort, Belgium hovers around a comfortable 13°C (57°F). However, prepare for a range, as temperatures can dip to a brisk 0°C (33°F) and soar up to a warm 31°C (87°F). With 60 mm (2.4 in) of precipitation spread over 13 days, you might encounter some rainy moments. The air tends to be quite humid, averaging at a notable 82%, adding a touch of tropical feel to your experience!
In May in Watermael-Boitsfort, the average temperature is 13°C (57°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as 0°C (33°F). Be prepared for a wide range of temperatures if you're traveling during this time.
In Watermael-Boitsfort in May, the precipitation amount is 60 mm (2.4 in) over a span of 13 days.
In Watermael-Boitsfort in May, humidity is 82%. With an average temperature of 13°C (57°F), this humidity feels like a damp chill, making it important for travelers to dress in layers to stay comfortable while exploring the area.
In Watermael-Boitsfort in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Watermael-Boitsfort.
UV Risk Categories
Weather in Watermael-Boitsfort varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Watermael-Boitsfort, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 65 mm (2.6 inches) | 91% | low |
| February Weather | 5°C (42°F) | 70 mm (2.7 inches) | 89% | low |
| March Weather | 7°C (45°F) | 71 mm (2.8 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 36 mm (1.4 inches) | 85% | moderate |
| May Weather | 13°C (57°F) | 60 mm (2.4 inches) | 82% | high |
| June Weather | 18°C (65°F) | 72 mm (2.8 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 74 mm (2.9 inches) | 80% | very high |
| August Weather | 19°C (66°F) | 84 mm (3.3 inches) | 76% | high |
| September Weather | 15°C (60°F) | 58 mm (2.3 inches) | 82% | moderate |
| October Weather | 12°C (54°F) | 78 mm (3.1 inches) | 89% | moderate |
| November Weather | 7°C (45°F) | 57 mm (2.3 inches) | 92% | low |
| December Weather | 5°C (42°F) | 92 mm (3.6 inches) | 92% | low |