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December Weather in Grammene, Belgium

Last updated: August 22, 2025

In December, the average temperature in Grammene, Belgium hovers around 6°C (43°F), with minimums dipping to -4°C (25°F) and maximums reaching up to 15°C (58°F). Expect 94 mm (3.7 in) of precipitation over approximately 17 days, contributing to a notably high average humidity of 92%. Stay prepared for a chilly, wet month!

December Temperature in Grammene

In December in Grammene, the average temperature is 6°C (43°F), with maximums reaching 15°C (58°F) and minimums dropping as low as -4°C (25°F). Travelers should be prepared for chilly weather and varying conditions, so layering clothing is advisable.

December Weather in Grammene: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Grammene, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grammene, December typically has an average temperature of 6°C (43°F), with highs reaching up to 15°C (58°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245505664666660544643
Data source: Temperature data for Grammene generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Grammene

In Grammene in December, the precipitation amount is 94 mm (3.7 in) over the course of 17 days.

December Precipitation Trends in Grammene

The chart displays monthly precipitation patterns in Grammene, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Grammene, December typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec646369406365677857855594
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grammene

In Grammene in December humidity is 92%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps through your clothes, making outdoor activities uncomfortable and requiring extra layers for warmth while navigating the slick streets.

December Average Humidity in Grammene

This chart illustrates the average monthly humidity levels in Grammene, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Grammene is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grammene

In Grammene 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 Grammene.

Maximum UV Index Levels in Grammene for December

The chart shows the monthly maximum UV Index (UVI) for Grammene in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Grammene typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Grammene December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Grammene Compares to Other Months

Weather in Grammene varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Grammene, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Grammene, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)64 mm (2.5 inches)91%low
February Weather6°C (42°F)63 mm (2.5 inches)89%low
March Weather7°C (46°F)69 mm (2.7 inches)87%moderate
April Weather10°C (50°F)40 mm (1.6 inches)85%moderate
May Weather14°C (57°F)63 mm (2.5 inches)82%high
June Weather18°C (64°F)65 mm (2.6 inches)82%very high
July Weather19°C (66°F)67 mm (2.6 inches)80%very high
August Weather19°C (66°F)78 mm (3.1 inches)76%high
September Weather16°C (60°F)57 mm (2.3 inches)82%moderate
October Weather12°C (55°F)85 mm (3.4 inches)89%moderate
November Weather8°C (46°F)55 mm (2.2 inches)92%low
December Weather6°C (43°F)94 mm (3.7 inches)92%low

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