Last updated: August 22, 2025
In December, the average temperature in Mont, Belgium hovers around 3°C (38°F), with a minimum drop to a brisk -6°C (22°F) and a maximum rising to a mild 13°C (56°F). During this period, expect about 139 mm (5.5 in) of precipitation spread over 21 days, contributing to an average humidity of a humid 92%. Prepare accordingly for a wet and cool month!
In December in Mont, the average temperature is 3°C (38°F). The maximum can reach 13°C (56°F), and the minimum can be as low as -6°C (22°F). Pack warm clothing and be prepared for chilly weather if you plan to visit during this time.
In Mont in December, the total precipitation amount is 139 mm (5.5 in) spread over the course of 21 days.
In Mont in December humidity is 92%. With an average temperature of 3°C (38°F), this humidity feels like a wet chill that seeps into your bones, making outdoor activities uncomfortable and travel arrangements challenging.
In Mont 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 Mont.
UV Risk Categories
Weather in Mont varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mont, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 96 mm (3.8 inches) | 91% | low |
| February Weather | 3°C (38°F) | 88 mm (3.5 inches) | 90% | moderate |
| March Weather | 5°C (42°F) | 106 mm (4.2 inches) | 87% | moderate |
| April Weather | 8°C (47°F) | 48 mm (1.9 inches) | 84% | moderate |
| May Weather | 12°C (54°F) | 89 mm (3.5 inches) | 77% | very high |
| June Weather | 17°C (62°F) | 97 mm (3.8 inches) | 74% | very high |
| July Weather | 17°C (63°F) | 88 mm (3.5 inches) | 72% | very high |
| August Weather | 17°C (63°F) | 90 mm (3.5 inches) | 71% | high |
| September Weather | 14°C (57°F) | 80 mm (3.1 inches) | 81% | high |
| October Weather | 10°C (50°F) | 95 mm (3.8 inches) | 88% | moderate |
| November Weather | 5°C (42°F) | 72 mm (2.8 inches) | 91% | low |
| December Weather | 3°C (38°F) | 139 mm (5.5 inches) | 92% | low |