December Weather in Weimar, United States

Last updated: June 24, 2025

In December, the average temperature in Weimar, United States is a cool 14°C (57°F). Expect a range where temperatures can dip as low as -3°C (27°F) and rise to a cozy 29°C (85°F). With 84 mm (3.3 in) of precipitation spread over 9 days, it's wise to have an umbrella handy. The atmosphere feels quite humid, with an average humidity of 84%.

December Temperature in Weimar

In December in Weimar, the average temperature is 14°C (57°F). The maximum can reach 29°C (85°F), and the minimum can be as low as -3°C (27°F). This variation makes it essential for travelers to prepare for a diverse range of weather conditions.

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

The chart illustrates December temperature patterns in Weimar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Weimar, December typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (27°F).

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

December Precipitation in Weimar

In Weimar in December, the precipitation amount is 84 mm (3.3 in) spread over 9 days.

December Precipitation Trends in Weimar

The chart displays monthly precipitation patterns in Weimar, 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 Weimar, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 9 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 Weimar

In Weimar in December, humidity is 84%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel stifling and requiring frequent breaks to cool off.

December Average Humidity in Weimar

This chart illustrates the average monthly humidity levels in Weimar, 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 Weimar is approximately 84%, 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 Weimar

In Weimar in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Weimar.

Maximum UV Index Levels in Weimar for December

The chart shows the monthly maximum UV Index (UVI) for Weimar 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 Weimar typically reaches 5, which falls under the moderate exposure category.

Data source: Weimar 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 Weimar Compares to Other Months

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

This table compares monthly weather conditions in Weimar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	66 mm (2.6 inches)	78%	moderate
February Weather	13°C (56°F)	78 mm (3.1 inches)	81%	very high
March Weather	19°C (66°F)	71 mm (2.8 inches)	76%	very high
April Weather	21°C (70°F)	98 mm (3.9 inches)	79%	extreme
May Weather	25°C (78°F)	139 mm (5.5 inches)	79%	extreme
June Weather	28°C (83°F)	120 mm (4.7 inches)	74%	extreme
July Weather	29°C (85°F)	100 mm (3.9 inches)	71%	extreme
August Weather	30°C (86°F)	147 mm (5.8 inches)	68%	extreme
September Weather	27°C (81°F)	121 mm (4.8 inches)	73%	extreme
October Weather	22°C (72°F)	85 mm (3.4 inches)	75%	very high
November Weather	17°C (62°F)	66 mm (2.6 inches)	78%	high
December Weather	14°C (57°F)	84 mm (3.3 inches)	84%	moderate