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December Weather in Saint-Mard, Belgium

Last updated: August 22, 2025

In December, the average temperature in Saint-Mard, Belgium is a chilly 4°C (39°F), with temperatures ranging from a brisk -5°C (23°F) to a milder 15°C (59°F). Expect 144 mm (5.7 in) of precipitation spread across about 20 days, contributing to the area's high average humidity of 93%. Prepare for a damp and cool experience!

December Temperature in Saint-Mard

In December in Saint-Mard, the average temperature is 4°C (39°F), with maximums reaching 15°C (59°F) and minimums dipping as low as -5°C (23°F). This makes it a great time for travelers to enjoy the chilly weather while exploring the beautiful sights of Saint-Mard.

December Weather in Saint-Mard: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint-Mard, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Mard, December typically has an average temperature of 4°C (39°F), with highs reaching up to 15°C (59°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec363943495664666659524339
Data source: Temperature data for Saint-Mard 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 Saint-Mard

In Saint-Mard in December, the precipitation amount reaches 144 mm (5.7 in) over the course of 20 days.

December Precipitation Trends in Saint-Mard

The chart displays monthly precipitation patterns in Saint-Mard, 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 Saint-Mard, December typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec8787954175726662679078144
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint-Mard

In Saint-Mard in December, humidity is 93%. With an average temperature of 4°C (39°F), this humidity feels like a damp, chilly blanket that clings to your skin, making outdoor exploration uncomfortable and necessitating extra layers to stay warm and dry.

December Average Humidity in Saint-Mard

This chart illustrates the average monthly humidity levels in Saint-Mard, 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 Saint-Mard is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saint-Mard

In Saint-Mard 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 Saint-Mard.

Maximum UV Index Levels in Saint-Mard for December

The chart shows the monthly maximum UV Index (UVI) for Saint-Mard 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 Saint-Mard typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Saint-Mard 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 Saint-Mard Compares to Other Months

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

This table compares monthly weather conditions in Saint-Mard, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)86 mm (3.4 inches)91%low
February Weather4°C (40°F)87 mm (3.4 inches)90%moderate
March Weather6°C (44°F)95 mm (3.7 inches)88%moderate
April Weather10°C (50°F)41 mm (1.6 inches)84%high
May Weather13°C (56°F)75 mm (2.9 inches)81%very high
June Weather18°C (65°F)72 mm (2.8 inches)82%very high
July Weather19°C (66°F)66 mm (2.6 inches)82%very high
August Weather19°C (66°F)62 mm (2.4 inches)80%very high
September Weather15°C (59°F)67 mm (2.6 inches)83%high
October Weather11°C (52°F)90 mm (3.5 inches)89%moderate
November Weather6°C (43°F)78 mm (3.1 inches)91%low
December Weather4°C (39°F)144 mm (5.7 inches)93%low

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