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December Weather in Colrain, United States

Last updated: June 24, 2025

In December, the average temperature in Colrain, United States hovers around -2°C (29°F), with extremes ranging from a chilly -24°C (-10°F) to a milder 14°C (58°F). Expect about 125 mm (4.9 in) of precipitation spread over 11 days, contributing to an average humidity of 84%. Stay warm and dry!

December Temperature in Colrain

In December in Colrain, the average temperature is -2°C (29°F), with maximums reaching 14°C (58°F) and minimums plummeting to as low as -24°C (-10°F). Be prepared for significant temperature fluctuations when traveling to Colrain during this time.

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

The chart illustrates December temperature patterns in Colrain, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colrain, 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 -24°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec242733455666716962513728
Data source: Temperature data for Colrain 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 Colrain

In Colrain in December, the precipitation amount is 125 mm (4.9 in) over the course of 11 days.

December Precipitation Trends in Colrain

The chart displays monthly precipitation patterns in Colrain, 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 Colrain, December typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8510184151108102169126112173107125
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Colrain

In Colrain 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 Colrain

This chart illustrates the average monthly humidity levels in Colrain, 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 Colrain 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 Colrain

In Colrain 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 Colrain, you can visit Hourly UV Index in Colrain.

Maximum UV Index Levels in Colrain for December

The chart shows the monthly maximum UV Index (UVI) for Colrain 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 Colrain typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34681010998642
Data source: Colrain 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 Colrain Compares to Other Months

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

This table compares monthly weather conditions in Colrain, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)85 mm (3.3 inches)89%moderate
February Weather-3°C (27°F)101 mm (4.0 inches)88%moderate
March Weather0°C (33°F)84 mm (3.3 inches)86%high
April Weather7°C (45°F)151 mm (5.9 inches)84%very high
May Weather14°C (57°F)108 mm (4.3 inches)76%very high
June Weather19°C (66°F)102 mm (4.0 inches)72%very high
July Weather22°C (71°F)169 mm (6.6 inches)66%very high
August Weather21°C (69°F)126 mm (5.0 inches)64%very high
September Weather17°C (62°F)112 mm (4.4 inches)72%very high
October Weather11°C (51°F)173 mm (6.8 inches)81%high
November Weather3°C (37°F)107 mm (4.2 inches)87%moderate
December Weather-2°C (29°F)125 mm (4.9 inches)84%low

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