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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 3°C (38°F), with a minimum dipping as low as -17°C (1°F) and a potential maximum reaching 18°C (65°F). Expect about 106 mm (4.2 in) of precipitation spread over 10 days, accompanied by a high average humidity of 87%. Plan accordingly for a chilly yet dynamic month!

December Temperature in Carlisle

In December in Carlisle, the average temperature is 3°C (38°F), with maximums reaching up to 18°C (65°F) and minimums dropping as low as -17°C (1°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and mild conditions.

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 3°C (38°F), with highs reaching up to 18°C (65°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec323644536573777570594338
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 106 mm (4.2 in) over a span 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 106 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8110812711112813511987809899106
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 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making travel quite uncomfortable as the cold dampness seeps into your clothes and lingers in the air, often leaving you shivering and longing for warmer, drier conditions.

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.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%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.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
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 Weather0°C (32°F)81 mm (3.2 inches)88%moderate
February Weather2°C (36°F)108 mm (4.2 inches)88%moderate
March Weather7°C (44°F)127 mm (5.0 inches)87%high
April Weather12°C (54°F)111 mm (4.4 inches)85%very high
May Weather18°C (65°F)128 mm (5.0 inches)81%very high
June Weather23°C (73°F)135 mm (5.3 inches)82%very high
July Weather25°C (77°F)119 mm (4.7 inches)81%very high
August Weather24°C (75°F)87 mm (3.4 inches)73%very high
September Weather21°C (70°F)80 mm (3.1 inches)73%very high
October Weather15°C (59°F)98 mm (3.8 inches)78%high
November Weather6°C (43°F)99 mm (3.9 inches)89%moderate
December Weather3°C (38°F)106 mm (4.2 inches)87%moderate

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