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December Weather in Forges, Belgium

Last updated: August 22, 2025

In December, the average temperature in Forges, Belgium is a brisk 4°C (40°F). Expect lows of -4°C (25°F) and highs reaching up to 14°C (57°F). With 131 mm (5.1 in) of precipitation spread over 18 days, it's a wet month, complemented by a high average humidity of 93%. Prepare for a chilly and damp atmosphere!

December Temperature in Forges

In December in Forges, the average temperature is 4°C (40°F), with maximums reaching up to 14°C (57°F) and minimums dropping as low as -4°C (25°F). Travelers should pack accordingly, as conditions can vary significantly throughout the day.

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

The chart illustrates December temperature patterns in Forges, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Forges, 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 -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec374044495563656559524340
Data source: Temperature data for Forges 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 Forges

In Forges in December, the total precipitation amount reaches 131 mm (5.1 in) over the course of 18 days.

December Precipitation Trends in Forges

The chart displays monthly precipitation patterns in Forges, 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 Forges, December typically receives around 131 mm (5.1 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec83869347787172856510074131
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Forges

In Forges in December, humidity is 93%. With an average temperature of 4°C (40°F), this humidity feels like a cold, damp blanket wrapping around you, making travel uncomfortable and requiring extra layers to stay warm, as every step can feel heavy in the thick, moisture-laden air.

December Average Humidity in Forges

This chart illustrates the average monthly humidity levels in Forges, 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 Forges is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%84%83%83%80%76%81%88%92%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Forges

In Forges 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 Forges.

Maximum UV Index Levels in Forges for December

The chart shows the monthly maximum UV Index (UVI) for Forges 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 Forges typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688875421
Data source: Forges 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 Forges Compares to Other Months

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

This table compares monthly weather conditions in Forges, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)83 mm (3.3 inches)91%low
February Weather4°C (40°F)86 mm (3.4 inches)89%moderate
March Weather7°C (44°F)93 mm (3.7 inches)86%moderate
April Weather9°C (49°F)47 mm (1.9 inches)84%high
May Weather13°C (55°F)78 mm (3.1 inches)82%very high
June Weather17°C (63°F)71 mm (2.8 inches)82%very high
July Weather18°C (65°F)72 mm (2.8 inches)80%very high
August Weather18°C (65°F)85 mm (3.3 inches)76%high
September Weather15°C (59°F)65 mm (2.5 inches)81%moderate
October Weather11°C (52°F)100 mm (3.9 inches)88%moderate
November Weather6°C (44°F)74 mm (2.9 inches)92%low
December Weather4°C (40°F)131 mm (5.1 inches)93%low

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