Last updated: August 22, 2025
In December in Merkem, Belgium, the average temperature hovers around 6°C (44°F), with minimums dipping to -3°C (27°F) and maximums reaching up to 14°C (58°F). Expect 94 mm (3.7 in) of precipitation spread over 17 days, and brace yourself for a high level of humidity at 92%.
In December in Merkem, the average temperature is 6°C (44°F). The maximum can reach 14°C (58°F), while the minimum can drop as low as -3°C (27°F). Be prepared for a range of temperatures and pack accordingly for your travels.
In Merkem in December, the precipitation amount is 94 mm (3.7 in) over the course of 17 days.
In Merkem in December, humidity is 92%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that clings to your skin, making outdoor explorations uncomfortable and leaving you longing for warmer, drier conditions.
In Merkem 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 Merkem.
UV Risk Categories
Weather in Merkem varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Merkem, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 62 mm (2.4 inches) | 91% | low |
| February Weather | 6°C (43°F) | 57 mm (2.2 inches) | 89% | low |
| March Weather | 8°C (46°F) | 60 mm (2.3 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 36 mm (1.4 inches) | 85% | moderate |
| May Weather | 13°C (56°F) | 61 mm (2.4 inches) | 82% | high |
| June Weather | 17°C (63°F) | 67 mm (2.6 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 55 mm (2.1 inches) | 80% | very high |
| August Weather | 19°C (66°F) | 70 mm (2.8 inches) | 76% | high |
| September Weather | 16°C (61°F) | 52 mm (2.0 inches) | 82% | moderate |
| October Weather | 13°C (55°F) | 82 mm (3.2 inches) | 89% | moderate |
| November Weather | 8°C (47°F) | 56 mm (2.2 inches) | 92% | low |
| December Weather | 6°C (44°F) | 94 mm (3.7 inches) | 92% | low |