December Weather in Carlisle, United States

Last updated: June 24, 2025

In December, the average temperature in Carlisle, United States hovers around 5°C (41°F). This period can bring extremes, with temperatures dipping as low as -12°C (11°F) and reaching highs of 21°C (70°F). Expect about 127 mm (5.0 in) of precipitation spread over 10 days, and prepare for a notably high average humidity of 87%.

December Temperature in Carlisle

In December in Carlisle, the average temperature is 5°C (41°F). Maximums can reach 21°C (70°F), while minimums can drop to as low as -12°C (11°F). Be prepared for a wide range of temperatures if you plan to travel during this month.

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 5°C (41°F), with highs reaching up to 21°C (70°F) and lows dropping to around -12°C (11°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 precipitation amount is 127 mm (5.0 in), spread over a period 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 127 mm (5.0 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 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.

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 87%, 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 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 Carlisle, you can check the information here.

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 3, 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	2°C (36°F)	97 mm (3.8 inches)	88%	moderate
February Weather	4°C (40°F)	133 mm (5.2 inches)	88%	moderate
March Weather	8°C (47°F)	128 mm (5.0 inches)	87%	high
April Weather	13°C (56°F)	137 mm (5.4 inches)	85%	very high
May Weather	19°C (67°F)	127 mm (5.0 inches)	81%	very high
June Weather	23°C (73°F)	178 mm (7.0 inches)	82%	very high
July Weather	25°C (77°F)	101 mm (4.0 inches)	81%	very high
August Weather	24°C (75°F)	105 mm (4.2 inches)	73%	very high
September Weather	21°C (71°F)	118 mm (4.7 inches)	73%	very high
October Weather	15°C (60°F)	109 mm (4.3 inches)	78%	high
November Weather	7°C (45°F)	84 mm (3.3 inches)	89%	moderate
December Weather	5°C (41°F)	127 mm (5.0 inches)	87%	moderate