December Weather in Rettenbach, Germany

Last updated: August 23, 2025

In Rettenbach, Germany, the average temperature in December hovers around 2°C (35°F). Visitors can expect a chilly range, with minimums dipping to -8°C (18°F) and maximums reaching 12°C (54°F). The month is also fairly wet, recording approximately 106 mm (4.2 in) of precipitation over 16 days. With an average humidity of 91%, it’s advisable to prepare for a damp and cool environment.

December Temperature in Rettenbach

In December in Rettenbach, the average temperature is 2°C (35°F), with a maximum that can reach 12°C (54°F) and a minimum that can be as low as -8°C (18°F). Travelers should be prepared for cold weather and dress in layers to stay warm while exploring.

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

The chart illustrates December temperature patterns in Rettenbach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rettenbach, December typically has an average temperature of 2°C (35°F), with highs reaching up to 12°C (54°F) and lows dropping to around -8°C (18°F).

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

December Precipitation in Rettenbach

In Rettenbach in December, the total precipitation amount is 106 mm (4.2 in) spread over 16 days.

December Precipitation Trends in Rettenbach

The chart displays monthly precipitation patterns in Rettenbach, 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 Rettenbach, December typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 16 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 Rettenbach

In Rettenbach in December, humidity is 91%. With an average temperature of 2°C (35°F), this humidity feels like a heavy blanket enveloping you, making travel rather uncomfortable and potentially discouraging for outdoor activities.

December Average Humidity in Rettenbach

This chart illustrates the average monthly humidity levels in Rettenbach, 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 Rettenbach is approximately 91%, 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 Rettenbach

In Rettenbach 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 Rettenbach.

Maximum UV Index Levels in Rettenbach for December

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

Data source: Rettenbach 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 Rettenbach Compares to Other Months

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

This table compares monthly weather conditions in Rettenbach, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	71 mm (2.8 inches)	91%	low
February Weather	2°C (36°F)	67 mm (2.7 inches)	89%	moderate
March Weather	5°C (41°F)	71 mm (2.8 inches)	88%	moderate
April Weather	9°C (49°F)	39 mm (1.5 inches)	84%	high
May Weather	13°C (56°F)	107 mm (4.2 inches)	77%	very high
June Weather	19°C (66°F)	87 mm (3.4 inches)	82%	very high
July Weather	19°C (67°F)	81 mm (3.2 inches)	83%	very high
August Weather	19°C (67°F)	107 mm (4.2 inches)	84%	high
September Weather	15°C (59°F)	61 mm (2.4 inches)	85%	high
October Weather	10°C (50°F)	73 mm (2.9 inches)	88%	moderate
November Weather	4°C (40°F)	50 mm (2.0 inches)	88%	low
December Weather	2°C (35°F)	106 mm (4.2 inches)	91%	low