December Weather in Plainville, United States

Last updated: June 24, 2025

In December, the average temperature in Plainville, United States hovers around 1°C (35°F). Expect a chilly range with minimums plummeting to -16°C (3°F) and maximums reaching a mild 18°C (64°F). During this month, the region sees approximately 117 mm (4.6 in) of precipitation over 10 days, accompanied by a high average humidity of 80%. Prepare for a wet and brisk experience!

December Temperature in Plainville

In December in Plainville, the average temperature is 1°C (35°F), with a maximum that can reach 18°C (64°F) and a minimum that can drop to as low as -16°C (3°F). It's advisable to pack layered clothing to stay comfortable during your travels.

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

The chart illustrates December temperature patterns in Plainville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plainville, December typically has an average temperature of 1°C (35°F), with highs reaching up to 18°C (64°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec323439485968747366564335
Data source: Temperature data for Plainville 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 Plainville

In Plainville in December, the total precipitation amount is 117 mm (4.6 in) recorded over a span of 10 days.

December Precipitation Trends in Plainville

The chart displays monthly precipitation patterns in Plainville, 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 Plainville, December typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec738698126100105139939414298117
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Plainville

In Plainville in December, humidity is 80%. With an average temperature of 1°C (35°F), this humidity feels like a cold, damp embrace that makes traveling quite uncomfortable, as it seeps into your clothes and makes the air feel heavier, making it hard to stay warm and dry while exploring.

December Average Humidity in Plainville

This chart illustrates the average monthly humidity levels in Plainville, 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 Plainville is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Plainville

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

Maximum UV Index Levels in Plainville for December

The chart shows the monthly maximum UV Index (UVI) for Plainville 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 Plainville typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356899997642
Data source: Plainville 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 Plainville Compares to Other Months

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

This table compares monthly weather conditions in Plainville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)73 mm (2.9 inches)84%moderate
February Weather1°C (34°F)86 mm (3.4 inches)84%moderate
March Weather4°C (39°F)98 mm (3.9 inches)82%high
April Weather9°C (49°F)126 mm (5.0 inches)79%very high
May Weather15°C (59°F)100 mm (3.9 inches)75%very high
June Weather20°C (69°F)104 mm (4.1 inches)78%very high
July Weather23°C (74°F)139 mm (5.5 inches)76%very high
August Weather23°C (74°F)93 mm (3.7 inches)76%very high
September Weather19°C (67°F)94 mm (3.7 inches)75%high
October Weather13°C (56°F)142 mm (5.6 inches)75%high
November Weather6°C (43°F)98 mm (3.9 inches)80%moderate
December Weather1°C (35°F)117 mm (4.6 inches)80%low

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