Last updated: August 22, 2025
In December, the average temperature in Sint-Stevens-Woluwe, Belgium is a brisk 5°C (42°F). Expect chilly nights, with minimums dipping to -4°C (24°F), while daytime highs may reach a comfortable 15°C (59°F). Humidity is high, averaging 92%, and you’ll likely encounter about 92 mm (3.6 in) of precipitation over 17 days. Be prepared for a mix of damp, cool weather!
In December in Sint-Stevens-Woluwe, the average temperature is 5°C (42°F). Maximums can reach 15°C (59°F), while minimums can dip as low as -4°C (24°F). Be sure to pack layers to stay comfortable during your travels!
In Sint-Stevens-Woluwe in December, the precipitation amount is 92 mm (3.6 in) spread over 17 days.
In Sint-Stevens-Woluwe in December, humidity is 92%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.
In Sint-Stevens-Woluwe in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Sint-Stevens-Woluwe.
UV Risk Categories
Weather in Sint-Stevens-Woluwe varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sint-Stevens-Woluwe, 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 |