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December Weather in Geleen, Netherlands

Last updated: August 27, 2025

In December, the average temperature in Geleen, Netherlands hovers around 5°C (42°F). Temperatures can dip as low as -5°C (23°F) and climb up to a comfortable 15°C (60°F). During this month, expect about 94 mm (3.7 in) of precipitation spread over 18 days, with an average humidity level of a staggering 92%. Be prepared for wet and chilly days!

December Temperature in Geleen

In December in Geleen, the average temperature is 5°C (42°F). Maximums can reach 15°C (60°F), and minimums can be as low as -5°C (23°F). Be prepared for chilly weather and pack layers to stay comfortable while exploring the area.

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

The chart illustrates December temperature patterns in Geleen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geleen, December typically has an average temperature of 5°C (42°F), with highs reaching up to 15°C (60°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec394145505766676760544542
Data source: Temperature data for Geleen 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 Geleen

In Geleen in December, the precipitation amount is 94 mm (3.7 in) spread over 18 days.

December Precipitation Trends in Geleen

The chart displays monthly precipitation patterns in Geleen, 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 Geleen, December typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec657074355672766860785494
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Geleen

In Geleen in December, humidity is 92%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

December Average Humidity in Geleen

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

In Geleen 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 Geleen.

Maximum UV Index Levels in Geleen for December

The chart shows the monthly maximum UV Index (UVI) for Geleen 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 Geleen typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Geleen 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 Geleen Compares to Other Months

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

This table compares monthly weather conditions in Geleen, 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 (2.5 inches)91%low
February Weather5°C (42°F)70 mm (2.8 inches)90%low
March Weather7°C (45°F)74 mm (2.9 inches)87%moderate
April Weather10°C (51°F)35 mm (1.4 inches)84%moderate
May Weather14°C (57°F)56 mm (2.2 inches)77%high
June Weather19°C (66°F)72 mm (2.9 inches)74%very high
July Weather19°C (67°F)76 mm (3.0 inches)72%very high
August Weather19°C (67°F)68 mm (2.7 inches)71%high
September Weather16°C (60°F)60 mm (2.4 inches)81%moderate
October Weather12°C (54°F)78 mm (3.1 inches)88%moderate
November Weather7°C (45°F)54 mm (2.1 inches)91%low
December Weather5°C (42°F)94 mm (3.7 inches)92%low

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