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December Weather in Tertre, Belgium

Last updated: August 22, 2025

In Tertre, Belgium, the average temperature in December hovers around 6°C (42°F), with a minimum dipping to -4°C (25°F) and a maximum reaching 15°C (59°F). You'll need an umbrella, as the area receives about 100 mm (3.9 in) of precipitation over 17 days. Expect a muggy atmosphere with an average humidity of 92%, making it a truly cozy month!

December Temperature in Tertre

In December in Tertre, the average temperature is 6°C (42°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -4°C (25°F). Be prepared for a varied climate if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Tertre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tertre, December typically has an average temperature of 6°C (42°F), with highs reaching up to 15°C (59°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec394245505664666660544542
Data source: Temperature data for Tertre 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 Tertre

In Tertre in December, the precipitation amount is 100 mm (3.9 in) over the course of 17 days.

December Precipitation Trends in Tertre

The chart displays monthly precipitation patterns in Tertre, 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 Tertre, December typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec6572733859576079497860100
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tertre

In Tertre in December humidity is 92%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures feel more challenging and less inviting as the frigid air, combined with the heavy moisture, weighs down your spirits and leaves you yearning for warmth.

December Average Humidity in Tertre

This chart illustrates the average monthly humidity levels in Tertre, 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 Tertre 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 Tertre

In Tertre 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 Tertre.

Maximum UV Index Levels in Tertre for December

The chart shows the monthly maximum UV Index (UVI) for Tertre 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 Tertre typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578875421
Data source: Tertre 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 Tertre Compares to Other Months

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

This table compares monthly weather conditions in Tertre, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)65 mm (2.6 inches)91%low
February Weather5°C (42°F)72 mm (2.8 inches)89%low
March Weather7°C (46°F)73 mm (2.9 inches)87%moderate
April Weather10°C (50°F)38 mm (1.5 inches)85%moderate
May Weather14°C (57°F)59 mm (2.3 inches)82%high
June Weather18°C (65°F)57 mm (2.2 inches)82%very high
July Weather19°C (66°F)60 mm (2.4 inches)80%very high
August Weather19°C (66°F)79 mm (3.1 inches)76%high
September Weather16°C (60°F)49 mm (1.9 inches)82%moderate
October Weather12°C (54°F)78 mm (3.1 inches)89%moderate
November Weather7°C (46°F)60 mm (2.4 inches)92%low
December Weather6°C (42°F)100 mm (3.9 inches)92%low

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