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December Weather in Upton, United States

Last updated: June 24, 2025

In December, the average temperature in Upton, United States hovers around -2°C (29°F). However, temperatures can fluctuate dramatically, with a minimum drop to -24°C (-10°F) and a maximum rising to a comfortable 22°C (72°F). Expect an average precipitation of 25 mm (1.0 in) over 6 days, accompanied by a significant average humidity of 75%.

December Temperature in Upton

In December in Upton, the average temperature is -2°C (29°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -24°C (-10°F). This diverse temperature range makes it essential for travelers to prepare for both chilly and warmer weather, ensuring a comfortable and enjoyable visit.

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

The chart illustrates December temperature patterns in Upton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Upton, December typically has an average temperature of -2°C (29°F), with highs reaching up to 22°C (72°F) and lows dropping to around -24°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec252237425367737062433628
Data source: Temperature data for Upton 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 Upton

In Upton in December, the precipitation amount is 25 mm (1.0 in) spread over 6 days.

December Precipitation Trends in Upton

The chart displays monthly precipitation patterns in Upton, 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 Upton, December typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec162632535843643736481826
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Upton

In Upton in December humidity is 75%. With an average temperature of -2°C (29°F), this humidity feels like a chilling dampness that seeps into your bones, making outdoor exploration brisk and invigorating but also potentially uncomfortable without proper clothing.

December Average Humidity in Upton

This chart illustrates the average monthly humidity levels in Upton, 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 Upton is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%78%64%66%74%84%85%85%76%71%73%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Upton

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

Maximum UV Index Levels in Upton for December

The chart shows the monthly maximum UV Index (UVI) for Upton 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 Upton typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3561091111108632
Data source: Upton 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 Upton Compares to Other Months

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

This table compares monthly weather conditions in Upton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)16 mm (0.6 inches)73%moderate
February Weather-5°C (22°F)26 mm (1.0 inches)78%moderate
March Weather3°C (37°F)32 mm (1.3 inches)64%high
April Weather6°C (42°F)53 mm (2.1 inches)66%very high
May Weather12°C (53°F)58 mm (2.3 inches)74%very high
June Weather20°C (67°F)43 mm (1.7 inches)84%extreme
July Weather23°C (74°F)64 mm (2.5 inches)85%extreme
August Weather21°C (71°F)37 mm (1.5 inches)85%very high
September Weather16°C (62°F)36 mm (1.4 inches)76%very high
October Weather6°C (43°F)48 mm (1.9 inches)71%high
November Weather2°C (36°F)18 mm (0.7 inches)73%moderate
December Weather-2°C (29°F)25 mm (1.0 inches)75%low

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