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December Weather in Sint-Gillis-Waas, Belgium

Last updated: August 22, 2025

In December, the average temperature in Sint-Gillis-Waas, Belgium hovers around 6°C (43°F), with a minimum of -4°C (26°F) and a maximum of 14°C (58°F). Expect 91 mm (3.6 in) of precipitation spread over approximately 17 days, contributing to an impressive average humidity of 92%. Prepare for cool, damp days—perfect for cozy indoor activities!

December Temperature in Sint-Gillis-Waas

In December in Sint-Gillis-Waas, the average temperature is 6°C (43°F), with maximums reaching 14°C (58°F) and minimums dropping to as low as -4°C (26°F). It's advisable to pack layers to stay comfortable while exploring the area.

December Weather in Sint-Gillis-Waas: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sint-Gillis-Waas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sint-Gillis-Waas, December typically has an average temperature of 6°C (43°F), with highs reaching up to 14°C (58°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245505764666660554643
Data source: Temperature data for Sint-Gillis-Waas 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 Sint-Gillis-Waas

In Sint-Gillis-Waas in December, the precipitation amount is 91 mm (3.6 in) over the course of 17 days.

December Precipitation Trends in Sint-Gillis-Waas

The chart displays monthly precipitation patterns in Sint-Gillis-Waas, 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 Sint-Gillis-Waas, December typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec626468406368717557845491
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sint-Gillis-Waas

In Sint-Gillis-Waas 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 Sint-Gillis-Waas

This chart illustrates the average monthly humidity levels in Sint-Gillis-Waas, 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 Sint-Gillis-Waas 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 Sint-Gillis-Waas

In Sint-Gillis-Waas 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 Sint-Gillis-Waas.

Maximum UV Index Levels in Sint-Gillis-Waas for December

The chart shows the monthly maximum UV Index (UVI) for Sint-Gillis-Waas 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 Sint-Gillis-Waas typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Sint-Gillis-Waas 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 Sint-Gillis-Waas Compares to Other Months

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

This table compares monthly weather conditions in Sint-Gillis-Waas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)62 mm (2.5 inches)91%low
February Weather6°C (42°F)64 mm (2.5 inches)89%low
March Weather7°C (46°F)68 mm (2.7 inches)87%moderate
April Weather10°C (51°F)40 mm (1.6 inches)85%moderate
May Weather14°C (57°F)63 mm (2.5 inches)82%high
June Weather18°C (65°F)68 mm (2.7 inches)82%very high
July Weather19°C (66°F)71 mm (2.8 inches)80%very high
August Weather19°C (66°F)75 mm (3.0 inches)76%high
September Weather16°C (60°F)57 mm (2.2 inches)82%moderate
October Weather13°C (55°F)84 mm (3.3 inches)89%moderate
November Weather8°C (46°F)54 mm (2.1 inches)92%low
December Weather6°C (43°F)91 mm (3.6 inches)92%low

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