December Weather in Herdecke, Germany

Last updated: August 23, 2025

In Herdecke, Germany, the average temperature in December hovers around 5°C (40°F). Expect chilly days with minimums dipping to -7°C (20°F) and maximums reaching 15°C (59°F). Prepare for 104 mm (4.1 in) of precipitation spread over 19 days, contributing to an average humidity of a crisp 92%.

December Temperature in Herdecke

In December in Herdecke, the average temperature is 5°C (40°F). Maximums can reach 15°C (59°F), while minimums can be as low as -7°C (20°F). It's advisable to pack warm clothing and be prepared for chilly weather if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Herdecke, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herdecke, December typically has an average temperature of 5°C (40°F), with highs reaching up to 15°C (59°F) and lows dropping to around -7°C (20°F).

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

December Precipitation in Herdecke

In Herdecke in December, the precipitation amount is 104 mm (4.1 in) over the course of 19 days.

December Precipitation Trends in Herdecke

The chart displays monthly precipitation patterns in Herdecke, 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 Herdecke, December typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 19 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 Herdecke

In Herdecke in December, humidity is 92%. With an average temperature of 5°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and potentially affecting your enjoyment of the local sights.

December Average Humidity in Herdecke

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

In Herdecke 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 Herdecke.

Maximum UV Index Levels in Herdecke for December

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

Data source: Herdecke 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 Herdecke Compares to Other Months

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

This table compares monthly weather conditions in Herdecke, 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)	78 mm (3.1 inches)	91%	low
February Weather	4°C (40°F)	84 mm (3.3 inches)	90%	low
March Weather	6°C (44°F)	85 mm (3.4 inches)	87%	moderate
April Weather	10°C (50°F)	39 mm (1.6 inches)	84%	moderate
May Weather	13°C (56°F)	73 mm (2.9 inches)	77%	high
June Weather	18°C (66°F)	70 mm (2.7 inches)	74%	very high
July Weather	19°C (66°F)	98 mm (3.9 inches)	72%	very high
August Weather	19°C (66°F)	82 mm (3.2 inches)	71%	high
September Weather	15°C (59°F)	68 mm (2.7 inches)	81%	moderate
October Weather	12°C (53°F)	95 mm (3.7 inches)	88%	moderate
November Weather	7°C (44°F)	59 mm (2.3 inches)	91%	low
December Weather	5°C (40°F)	104 mm (4.1 inches)	92%	low