December Weather in Carlisle, United States

Last updated: June 24, 2025

In December, the average temperature in Carlisle, United States hovers around 9°C (48°F). Expect a minimum drop to -9°C (16°F) and a peak of up to 26°C (80°F). Rainy days contribute to a total precipitation of 157 mm (6.2 in) over 10 days, creating a notably high average humidity of 88%. Get ready for a blend of cool air and damp conditions!

December Temperature in Carlisle

In December in Carlisle, the average temperature is 9°C (48°F). The maximum can reach 26°C (80°F), while the minimum can drop as low as -9°C (16°F). Be prepared for a range of temperatures when traveling, so pack accordingly for both warm and cold weather.

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

The chart illustrates December temperature patterns in Carlisle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carlisle, December typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (80°F) and lows dropping to around -9°C (16°F).

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

December Precipitation in Carlisle

In Carlisle in December, the total precipitation amount is 157 mm (6.2 in) over the course of 10 days.

December Precipitation Trends in Carlisle

The chart displays monthly precipitation patterns in Carlisle, 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 Carlisle, December typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 10 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 Carlisle

In Carlisle in December, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

December Average Humidity in Carlisle

This chart illustrates the average monthly humidity levels in Carlisle, 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 Carlisle is approximately 88%, 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 Carlisle

In Carlisle in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Carlisle for better planning.

Maximum UV Index Levels in Carlisle for December

The chart shows the monthly maximum UV Index (UVI) for Carlisle 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 Carlisle typically reaches 4, which falls under the moderate exposure category.

Data source: Carlisle 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 Carlisle Compares to Other Months

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

This table compares monthly weather conditions in Carlisle, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	98 mm (3.9 inches)	84%	moderate
February Weather	8°C (46°F)	158 mm (6.2 inches)	83%	high
March Weather	13°C (57°F)	159 mm (6.2 inches)	81%	very high
April Weather	17°C (62°F)	162 mm (6.4 inches)	81%	very high
May Weather	22°C (73°F)	171 mm (6.7 inches)	83%	extreme
June Weather	26°C (79°F)	103 mm (4.0 inches)	83%	extreme
July Weather	28°C (83°F)	109 mm (4.3 inches)	81%	extreme
August Weather	27°C (81°F)	115 mm (4.5 inches)	74%	very high
September Weather	25°C (77°F)	89 mm (3.5 inches)	71%	very high
October Weather	18°C (65°F)	119 mm (4.7 inches)	76%	high
November Weather	11°C (52°F)	77 mm (3.0 inches)	84%	moderate
December Weather	9°C (48°F)	157 mm (6.2 inches)	88%	moderate