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December Weather in Harsin, Belgium

Last updated: August 22, 2025

In December, the average temperature in Harsin, Belgium is a brisk 4°C (40°F), with a minimum dipping to -5°C (24°F) and a maximum reaching 14°C (57°F). Expect 123 mm (4.8 in) of precipitation over approximately 20 days, contributing to the high average humidity of 92%. Prepare for a cool and damp month in this vibrant locale!

December Temperature in Harsin

In December in Harsin, the average temperature is 4°C (40°F), with maximums reaching 14°C (57°F) and minimums dropping to as low as -5°C (24°F). Be prepared for chilly weather and pack layers for your trip!

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

The chart illustrates December temperature patterns in Harsin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harsin, December typically has an average temperature of 4°C (40°F), with highs reaching up to 14°C (57°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec363943485563646458524339
Data source: Temperature data for Harsin 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 Harsin

In Harsin in December, the total precipitation amount reaches 123 mm (4.8 in) over the course of 20 days.

December Precipitation Trends in Harsin

The chart displays monthly precipitation patterns in Harsin, 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 Harsin, December typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec8381934575838380689265123
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Harsin

In Harsin in December, humidity is 92%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor travel uncomfortable and necessitating extra layers to stay warm while navigating the misty streets.

December Average Humidity in Harsin

This chart illustrates the average monthly humidity levels in Harsin, 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 Harsin is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Harsin

In Harsin 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 Harsin.

Maximum UV Index Levels in Harsin for December

The chart shows the monthly maximum UV Index (UVI) for Harsin 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 Harsin typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234578875421
Data source: Harsin 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 Harsin Compares to Other Months

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

This table compares monthly weather conditions in Harsin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)83 mm (3.3 inches)91%low
February Weather4°C (40°F)81 mm (3.2 inches)90%moderate
March Weather6°C (43°F)93 mm (3.7 inches)87%moderate
April Weather9°C (49°F)45 mm (1.8 inches)84%moderate
May Weather13°C (55°F)75 mm (2.9 inches)77%high
June Weather17°C (63°F)83 mm (3.3 inches)74%very high
July Weather18°C (65°F)83 mm (3.3 inches)72%very high
August Weather18°C (65°F)80 mm (3.2 inches)71%high
September Weather14°C (58°F)68 mm (2.7 inches)81%moderate
October Weather11°C (52°F)92 mm (3.6 inches)88%moderate
November Weather6°C (43°F)65 mm (2.6 inches)91%low
December Weather4°C (40°F)123 mm (4.8 inches)92%low

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