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December Weather in Carlisle, United States

Last updated: June 24, 2025

In December, the average temperature in Carlisle, United States hovers around 8°C (46°F). Expect a minimum chill of -6°C (21°F) and a maximum reach of 25°C (77°F). During this period, precipitation tends to accumulate to about 85 mm (3.4 in) over 7 days, paired with a high average humidity of 87%. Be prepared for a blend of coolness and moisture!

December Temperature in Carlisle

In December in Carlisle, the average temperature is 8°C (46°F). Maximum temperatures can reach up to 25°C (77°F), while the minimum can drop as low as -6°C (21°F). This variability makes it essential for travelers to pack layers to accommodate both warm days and chilly nights.

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 8°C (46°F), with highs reaching up to 25°C (77°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec404354607079828076635146
Data source: Temperature data for Carlisle generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Carlisle

In Carlisle in December, the precipitation amount is 85 mm (3.4 in) over the course of 7 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 85 mm (3.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec901021261422067895122771516985
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Carlisle

In Carlisle in December, humidity is 87%. With an average temperature of 8°C (46°F), this humidity feels like a chilly, damp fog clinging to your skin, making outdoor activities a bit uncomfortable and causing even mild exertion to leave you feeling clammy and cold.

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.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109753
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.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)90 mm (3.5 inches)79%moderate
February Weather6°C (43°F)102 mm (4.0 inches)78%high
March Weather12°C (55°F)126 mm (4.9 inches)75%high
April Weather16°C (60°F)142 mm (5.6 inches)75%very high
May Weather21°C (70°F)206 mm (8.1 inches)83%very high
June Weather26°C (79°F)78 mm (3.1 inches)81%extreme
July Weather28°C (83°F)95 mm (3.7 inches)78%extreme
August Weather27°C (81°F)122 mm (4.8 inches)68%very high
September Weather25°C (77°F)77 mm (3.0 inches)64%very high
October Weather17°C (63°F)151 mm (5.9 inches)71%high
November Weather11°C (51°F)68 mm (2.7 inches)82%moderate
December Weather8°C (46°F)85 mm (3.4 inches)87%moderate

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