Last updated: August 22, 2025
In Groot-Bijgaarden, Belgium, the average temperature in December hovers around 5°C (42°F), with potential lows of -5°C (24°F) and highs reaching 15°C (59°F). Expect 93 mm (3.7 in) of precipitation over approximately 17 days, contributing to a high average humidity of 92%. Stay prepared for a damp and chilly atmosphere!
In December in Groot-Bijgaarden, the average temperature is 5°C (42°F), with maximums reaching up to 15°C (59°F) and minimums dropping as low as -5°C (24°F). Travelers should be prepared for chilly weather and pack accordingly for varying temperatures throughout the day.
In Groot-Bijgaarden in December, the precipitation amount is 93 mm (3.7 in) spread over 17 days.
In Groot-Bijgaarden 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 Groot-Bijgaarden 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 Groot-Bijgaarden.
UV Risk Categories
Weather in Groot-Bijgaarden varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Groot-Bijgaarden, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 65 mm (2.5 inches) | 91% | low |
| February Weather | 5°C (42°F) | 69 mm (2.7 inches) | 89% | low |
| March Weather | 7°C (45°F) | 70 mm (2.8 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 37 mm (1.5 inches) | 85% | moderate |
| May Weather | 13°C (57°F) | 58 mm (2.3 inches) | 82% | high |
| June Weather | 18°C (65°F) | 66 mm (2.6 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 71 mm (2.8 inches) | 80% | very high |
| August Weather | 19°C (66°F) | 80 mm (3.2 inches) | 76% | high |
| September Weather | 15°C (60°F) | 55 mm (2.2 inches) | 82% | moderate |
| October Weather | 12°C (54°F) | 76 mm (3.0 inches) | 89% | moderate |
| November Weather | 7°C (45°F) | 57 mm (2.2 inches) | 92% | low |
| December Weather | 5°C (42°F) | 93 mm (3.7 inches) | 92% | low |