Last updated: August 22, 2025
In December, the average temperature in Mornimont, Belgium hovers around 5°C (41°F), with a minimum of -4°C (24°F) and a maximum reaching 15°C (58°F). Expect 105 mm (4.1 in) of precipitation over 18 days, contributing to an average humidity of 92%. Stay prepared for a chilly and damp month!
In December in Mornimont, the average temperature is 5°C (41°F). The maximum can reach 15°C (58°F) and the minimum can be as low as -4°C (24°F). It's advisable to pack layers for your trip, as temperatures can vary significantly throughout the day.
In Mornimont in December, the total precipitation amount is 105 mm (4.1 in) over a span of 18 days.
In Mornimont in December humidity is 92%. With an average temperature of 5°C (41°F), this humidity feels like a cold, damp blanket enveloping you, making travel uncomfortable and dampening the spirits of those unprepared for the chill.
In Mornimont 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 Mornimont.
UV Risk Categories
Weather in Mornimont varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mornimont, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 3°C (38°F) | 69 mm (2.7 inches) | 91% | low |
February Weather | 5°C (41°F) | 73 mm (2.9 inches) | 89% | moderate |
March Weather | 7°C (45°F) | 77 mm (3.0 inches) | 87% | moderate |
April Weather | 10°C (50°F) | 41 mm (1.6 inches) | 85% | moderate |
May Weather | 13°C (56°F) | 67 mm (2.6 inches) | 82% | high |
June Weather | 18°C (64°F) | 78 mm (3.1 inches) | 82% | very high |
July Weather | 19°C (66°F) | 77 mm (3.0 inches) | 80% | very high |
August Weather | 18°C (66°F) | 89 mm (3.5 inches) | 76% | high |
September Weather | 15°C (59°F) | 65 mm (2.5 inches) | 82% | moderate |
October Weather | 12°C (53°F) | 86 mm (3.4 inches) | 89% | moderate |
November Weather | 7°C (44°F) | 60 mm (2.3 inches) | 92% | low |
December Weather | 5°C (41°F) | 105 mm (4.1 inches) | 92% | low |