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December Weather in Onhaye, Belgium

Last updated: August 22, 2025

In December, the average temperature in Onhaye, Belgium hovers around 4°C (40°F), with a minimum dipping to -4°C (25°F) and a maximum reaching 14°C (58°F). Expect 112 mm (4.4 in) of precipitation spread over 19 days, contributing to an average humidity of 92%. Don’t forget your umbrella!

December Temperature in Onhaye

In December in Onhaye, the average temperature is 4°C (40°F). Maximum temperatures can reach 14°C (58°F), while the minimum can drop as low as -4°C (25°F). Travelers should be prepared for a chilly climate and dress in layers to stay comfortable throughout the day.

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

The chart illustrates December temperature patterns in Onhaye, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onhaye, December typically has an average temperature of 4°C (40°F), with highs reaching up to 14°C (58°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec374044495563656558524340
Data source: Temperature data for Onhaye 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 Onhaye

In Onhaye in December, the total precipitation amount is 112 mm (4.4 in) recorded over the course of 19 days.

December Precipitation Trends in Onhaye

The chart displays monthly precipitation patterns in Onhaye, 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 Onhaye, December typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec7376824573787784638962112
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Onhaye

In Onhaye 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 Onhaye

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

In Onhaye 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 Onhaye.

Maximum UV Index Levels in Onhaye for December

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

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

This table compares monthly weather conditions in Onhaye, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)73 mm (2.9 inches)91%low
February Weather4°C (40°F)75 mm (3.0 inches)89%moderate
March Weather7°C (44°F)82 mm (3.2 inches)87%moderate
April Weather9°C (49°F)45 mm (1.8 inches)85%moderate
May Weather13°C (55°F)73 mm (2.9 inches)82%high
June Weather17°C (63°F)78 mm (3.1 inches)82%very high
July Weather18°C (65°F)77 mm (3.0 inches)80%very high
August Weather18°C (65°F)84 mm (3.3 inches)76%high
September Weather15°C (59°F)63 mm (2.5 inches)82%moderate
October Weather11°C (52°F)89 mm (3.5 inches)89%moderate
November Weather6°C (44°F)62 mm (2.4 inches)92%low
December Weather4°C (40°F)112 mm (4.4 inches)92%low

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