December Weather in Bielefeld, Germany

Last updated: August 23, 2025

In December, the average temperature in Bielefeld, Germany hovers around 4°C (40°F). Expect a chill in the air, with minimums dipping to -7°C (21°F) and maximums reaching up to 14°C (58°F). The month experiences considerable precipitation, totaling 90 mm (3.6 in) over approximately 18 days, while the average humidity remains notably high at 92%.

December Temperature in Bielefeld

In December in Bielefeld, the average temperature is 4°C (40°F). Maximums can reach 14°C (58°F), while minimums can drop to as low as -7°C (21°F). Travelers should be prepared for chilly weather and pack accordingly for both mild and cold conditions.

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

The chart illustrates December temperature patterns in Bielefeld, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bielefeld, 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 -7°C (21°F).

Data source: Temperature data for Bielefeld generated using information from the Copernicus Climate Change Service.

December Precipitation in Bielefeld

In Bielefeld in December, the precipitation amount is 90 mm (3.6 in) over the course of 18 days.

December Precipitation Trends in Bielefeld

The chart displays monthly precipitation patterns in Bielefeld, 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 Bielefeld, December typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 18 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Bielefeld

In Bielefeld 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 Bielefeld

This chart illustrates the average monthly humidity levels in Bielefeld, 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 Bielefeld is approximately 92%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bielefeld

In Bielefeld 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 Bielefeld.

Maximum UV Index Levels in Bielefeld for December

The chart shows the monthly maximum UV Index (UVI) for Bielefeld 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 Bielefeld typically reaches 1, which falls under the low exposure category.

Data source: Bielefeld 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 Bielefeld Compares to Other Months

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

This table compares monthly weather conditions in Bielefeld, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	74 mm (2.9 inches)	92%	low
February Weather	4°C (39°F)	77 mm (3.0 inches)	90%	low
March Weather	6°C (43°F)	77 mm (3.0 inches)	87%	moderate
April Weather	9°C (49°F)	41 mm (1.6 inches)	83%	moderate
May Weather	13°C (56°F)	63 mm (2.5 inches)	76%	high
June Weather	18°C (66°F)	65 mm (2.6 inches)	74%	very high
July Weather	19°C (66°F)	89 mm (3.5 inches)	74%	very high
August Weather	19°C (66°F)	72 mm (2.8 inches)	75%	high
September Weather	15°C (59°F)	57 mm (2.2 inches)	82%	moderate
October Weather	12°C (53°F)	87 mm (3.4 inches)	88%	moderate
November Weather	7°C (44°F)	54 mm (2.1 inches)	90%	low
December Weather	4°C (40°F)	90 mm (3.6 inches)	92%	low