December Weather in Hemer, Germany

Last updated: August 23, 2025

In December, the average temperature in Hemer, Germany hovers around 5°C (40°F). Expect chilly lows of -7°C (20°F), while temperatures can peak at a comfortable 15°C (59°F). Be prepared for 102 mm (4.0 in) of precipitation over 19 days, contributing to a high average humidity of 92%. Stay warm and dry!

December Temperature in Hemer

In December in Hemer, 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 Hemer: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Hemer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hemer, 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 Hemer generated using information from the Copernicus Climate Change Service.

December Precipitation in Hemer

In Hemer in December, the total precipitation amount is 102 mm (4.0 in), occurring over the course of 19 days.

December Precipitation Trends in Hemer

The chart displays monthly precipitation patterns in Hemer, 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 Hemer, December typically receives around 102 mm (4.0 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 Hemer

In Hemer 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 Hemer

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

In Hemer 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 Hemer.

Maximum UV Index Levels in Hemer for December

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

Data source: Hemer 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 Hemer Compares to Other Months

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

This table compares monthly weather conditions in Hemer, 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)	80 mm (3.1 inches)	92%	low
February Weather	4°C (40°F)	82 mm (3.2 inches)	90%	low
March Weather	6°C (44°F)	84 mm (3.3 inches)	87%	moderate
April Weather	10°C (50°F)	42 mm (1.6 inches)	83%	moderate
May Weather	13°C (56°F)	73 mm (2.9 inches)	76%	high
June Weather	18°C (65°F)	67 mm (2.6 inches)	74%	very high
July Weather	19°C (66°F)	93 mm (3.7 inches)	74%	very high
August Weather	19°C (66°F)	80 mm (3.1 inches)	75%	high
September Weather	15°C (59°F)	63 mm (2.5 inches)	82%	moderate
October Weather	12°C (53°F)	91 mm (3.6 inches)	88%	moderate
November Weather	7°C (44°F)	57 mm (2.3 inches)	90%	low
December Weather	5°C (40°F)	102 mm (4.0 inches)	92%	low