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December Weather in Pittsfield, United States

Last updated: June 24, 2025

In December, the average temperature in Pittsfield, United States hovers around -2°C (29°F), with a minimum plunge to -22°C (-8°F) and a maximum reaching 14°C (58°F). Expect 115 mm (4.5 in) of precipitation spread over 13 days, contributing to an average humidity of 84%. Be prepared for chilly and damp conditions!

December Temperature in Pittsfield

In December in Pittsfield, the average temperature is -2°C (29°F), with maximums reaching 14°C (58°F) and minimums as low as -22°C (-8°F). Travelers should be prepared for chilly conditions and varying temperatures, ensuring appropriate clothing and gear for outdoor activities.

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

The chart illustrates December temperature patterns in Pittsfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pittsfield, December typically has an average temperature of -2°C (29°F), with highs reaching up to 14°C (58°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec242733455666717063523729
Data source: Temperature data for Pittsfield 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 Pittsfield

In Pittsfield in December, the precipitation amount is 115 mm (4.5 in) spread over 13 days.

December Precipitation Trends in Pittsfield

The chart displays monthly precipitation patterns in Pittsfield, 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 Pittsfield, December typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec841019013511285134104107156107115
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pittsfield

In Pittsfield in December, humidity is 84%. With an average temperature of -2°C (29°F), this humidity feels like an icy blanket that clings to your skin, making it difficult to stay warm and comfortable while traveling.

December Average Humidity in Pittsfield

This chart illustrates the average monthly humidity levels in Pittsfield, 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 Pittsfield is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pittsfield

In Pittsfield in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Pittsfield, you can visit Hourly UV Index in Pittsfield.

Maximum UV Index Levels in Pittsfield for December

The chart shows the monthly maximum UV Index (UVI) for Pittsfield 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 Pittsfield typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35681010998642
Data source: Pittsfield 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 Pittsfield Compares to Other Months

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

This table compares monthly weather conditions in Pittsfield, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)84 mm (3.3 inches)89%moderate
February Weather-3°C (27°F)101 mm (4.0 inches)88%moderate
March Weather0°C (33°F)90 mm (3.5 inches)86%high
April Weather7°C (45°F)135 mm (5.3 inches)84%very high
May Weather14°C (57°F)112 mm (4.4 inches)76%very high
June Weather19°C (66°F)85 mm (3.4 inches)72%very high
July Weather22°C (71°F)134 mm (5.3 inches)66%very high
August Weather21°C (70°F)104 mm (4.1 inches)64%very high
September Weather17°C (63°F)107 mm (4.2 inches)72%very high
October Weather11°C (52°F)156 mm (6.2 inches)81%high
November Weather3°C (38°F)107 mm (4.2 inches)87%moderate
December Weather-2°C (29°F)115 mm (4.5 inches)84%low

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