December Weather in Walhalla, United States

Last updated: June 24, 2025

In Walhalla, United States, the average temperature in December hovers around -9°C (16°F), with extremes ranging from a chilling -31°C (-24°F) to a mild 8°C (47°F). Expect 27 mm (1.1 in) of precipitation spread over about 7 days, contributing to an average humidity level of a brisk 91%.

December Temperature in Walhalla

In December in Walhalla, the average temperature is -9°C (16°F). Maximums can reach 8°C (47°F), while minimums can drop as low as -31°C (-24°F). Be sure to dress warmly if you plan to visit during this time, as the weather can be quite harsh.

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

The chart illustrates December temperature patterns in Walhalla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walhalla, December typically has an average temperature of -9°C (16°F), with highs reaching up to 8°C (47°F) and lows dropping to around -31°C (-24°F).

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

December Precipitation in Walhalla

In Walhalla in December, the precipitation amount is 27 mm (1.1 in) accumulated over 7 days.

December Precipitation Trends in Walhalla

The chart displays monthly precipitation patterns in Walhalla, 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 Walhalla, December typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 7 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 Walhalla

In Walhalla in December humidity is 91%. With an average temperature of -9°C (16°F), this humidity feels like a heavy veil wrapping around you, making outdoor exploration quite challenging as you navigate through the chilly air that seems to cling to your skin.

December Average Humidity in Walhalla

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

In Walhalla in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Walhalla, you can visit Hourly UV Index in Walhalla.

Maximum UV Index Levels in Walhalla for December

The chart shows the monthly maximum UV Index (UVI) for Walhalla 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 Walhalla typically reaches 2, which falls under the low exposure category.

Data source: Walhalla 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 Walhalla Compares to Other Months

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

This table compares monthly weather conditions in Walhalla, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (9°F)	17 mm (0.7 inches)	92%	low
February Weather	-14°C (7°F)	17 mm (0.7 inches)	90%	moderate
March Weather	-4°C (25°F)	19 mm (0.7 inches)	88%	moderate
April Weather	3°C (37°F)	27 mm (1.1 inches)	81%	high
May Weather	12°C (54°F)	54 mm (2.1 inches)	74%	very high
June Weather	19°C (66°F)	72 mm (2.8 inches)	72%	very high
July Weather	21°C (70°F)	53 mm (2.1 inches)	74%	very high
August Weather	19°C (67°F)	58 mm (2.3 inches)	76%	very high
September Weather	14°C (57°F)	77 mm (3.0 inches)	73%	high
October Weather	5°C (42°F)	68 mm (2.7 inches)	76%	moderate
November Weather	-4°C (25°F)	28 mm (1.1 inches)	86%	low
December Weather	-9°C (16°F)	27 mm (1.1 inches)	91%	low