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December Weather in Litchfield, United States

Last updated: June 24, 2025

In December, the average temperature in Litchfield, United States hovers around 3°C (37°F). Temperatures can swing dramatically, with a minimum of -19°C (-1°F) and a maximum reaching 19°C (67°F). Expect some moisture, as the area receives around 55 mm (2.2 in) of precipitation over 7 days. With an average humidity level of 87%, prepare for a chilly, damp experience!

December Temperature in Litchfield

In December in Litchfield, the average temperature is 3°C (37°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -19°C (-1°F). Travelers should be prepared for a wide temperature range, making layered clothing essential for comfort during their visit.

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

The chart illustrates December temperature patterns in Litchfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Litchfield, December typically has an average temperature of 3°C (37°F), with highs reaching up to 19°C (67°F) and lows dropping to around -19°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec303345546676787571584237
Data source: Temperature data for Litchfield 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 Litchfield

In Litchfield in December, the precipitation amount is 55 mm (2.2 in) over the course of 7 days.

December Precipitation Trends in Litchfield

The chart displays monthly precipitation patterns in Litchfield, 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 Litchfield, December typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec7378130137158115102114661067455
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Litchfield

In Litchfield in December, humidity is 87%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating proper layers to stay warm while navigating the wet conditions.

December Average Humidity in Litchfield

This chart illustrates the average monthly humidity levels in Litchfield, 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 Litchfield is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Litchfield

In Litchfield 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 Litchfield, you can check the information here.

Maximum UV Index Levels in Litchfield for December

The chart shows the monthly maximum UV Index (UVI) for Litchfield 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 Litchfield typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111199643
Data source: Litchfield 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 Litchfield Compares to Other Months

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

This table compares monthly weather conditions in Litchfield, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)73 mm (2.9 inches)84%moderate
February Weather1°C (34°F)78 mm (3.1 inches)82%moderate
March Weather7°C (45°F)130 mm (5.1 inches)84%high
April Weather12°C (54°F)137 mm (5.4 inches)83%very high
May Weather19°C (66°F)158 mm (6.2 inches)80%very high
June Weather24°C (76°F)115 mm (4.5 inches)83%extreme
July Weather26°C (78°F)102 mm (4.0 inches)82%extreme
August Weather24°C (75°F)114 mm (4.5 inches)82%very high
September Weather22°C (71°F)66 mm (2.6 inches)79%very high
October Weather14°C (58°F)106 mm (4.2 inches)79%high
November Weather6°C (43°F)74 mm (2.9 inches)88%moderate
December Weather3°C (37°F)55 mm (2.2 inches)87%moderate

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