December Weather in Cumberland, United States

Last updated: June 24, 2025

In December, the average temperature in Cumberland, United States is a chilly 6°C (44°F). Expect temperatures to range from a brisk -10°C (14°F) to a mild 22°C (72°F). With an average precipitation of 91 mm (3.6 in) over 8 days, be prepared for some wet weather. The air carries a humidity level of approximately 85%, adding to the cool atmosphere.

December Temperature in Cumberland

In December in Cumberland, the average temperature is 6°C (44°F). The maximum can reach 22°C (72°F), and the minimum can be as low as -10°C (14°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cold conditions.

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

The chart illustrates December temperature patterns in Cumberland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cumberland, December typically has an average temperature of 6°C (44°F), with highs reaching up to 22°C (72°F) and lows dropping to around -10°C (14°F).

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

December Precipitation in Cumberland

In Cumberland in December, the total precipitation amount is 91 mm (3.6 in) over the course of 8 days.

December Precipitation Trends in Cumberland

The chart displays monthly precipitation patterns in Cumberland, 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 Cumberland, December typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 8 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 Cumberland

In Cumberland in December, humidity is 85%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that seeps into your clothes, making travel uncomfortable and adding an extra layer of chill to the air.

December Average Humidity in Cumberland

This chart illustrates the average monthly humidity levels in Cumberland, 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 Cumberland is approximately 85%, 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 Cumberland

In Cumberland in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Cumberland, you can check the information here.

Maximum UV Index Levels in Cumberland for December

The chart shows the monthly maximum UV Index (UVI) for Cumberland 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 Cumberland typically reaches 3, which falls under the moderate exposure category.

Data source: Cumberland 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 Cumberland Compares to Other Months

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

This table compares monthly weather conditions in Cumberland, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	64 mm (2.5 inches)	84%	moderate
February Weather	7°C (45°F)	96 mm (3.8 inches)	84%	high
March Weather	10°C (50°F)	63 mm (2.5 inches)	84%	high
April Weather	15°C (60°F)	107 mm (4.2 inches)	82%	very high
May Weather	20°C (69°F)	102 mm (4.0 inches)	82%	very high
June Weather	24°C (76°F)	109 mm (4.3 inches)	83%	very high
July Weather	27°C (82°F)	75 mm (3.0 inches)	79%	very high
August Weather	26°C (79°F)	137 mm (5.4 inches)	77%	very high
September Weather	23°C (73°F)	86 mm (3.4 inches)	75%	very high
October Weather	18°C (64°F)	115 mm (4.5 inches)	81%	high
November Weather	9°C (49°F)	70 mm (2.7 inches)	87%	moderate
December Weather	6°C (44°F)	91 mm (3.6 inches)	85%	moderate