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December Weather in Newville, United States

Last updated: June 24, 2025

In December, the average temperature in Newville, United States hovers around 2°C (36°F). This chilly month can bring extremes, with temperatures dipping as low as -13°C (8°F) and occasionally peaking at 18°C (65°F). Expect 91 mm (3.6 in) of precipitation over about 10 days, contributing to a notably high average humidity of 88%. Stay warm and prepared for a wet, brisk season!

December Temperature in Newville

In December in Newville, the average temperature is 2°C (36°F). Maximums can reach 18°C (65°F) and minimums can be as low as -13°C (8°F). Be prepared for a range of temperatures and pack accordingly for your travels!

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

The chart illustrates December temperature patterns in Newville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newville, December typically has an average temperature of 2°C (36°F), with highs reaching up to 18°C (65°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec323541526271777468584336
Data source: Temperature data for Newville 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 Newville

In Newville in December, the precipitation amount totals 91 mm (3.6 in) over a span of 10 days.

December Precipitation Trends in Newville

The chart displays monthly precipitation patterns in Newville, 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 Newville, December typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec63100941021221011381101291138391
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Newville

In Newville in December, humidity is 88%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making traveling uncomfortable and energy-draining as every step through the chill seems heavier in the thick air.

December Average Humidity in Newville

This chart illustrates the average monthly humidity levels in Newville, 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 Newville is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Newville

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

Maximum UV Index Levels in Newville for December

The chart shows the monthly maximum UV Index (UVI) for Newville 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 Newville typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Newville 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 Newville Compares to Other Months

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

This table compares monthly weather conditions in Newville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)63 mm (2.5 inches)89%moderate
February Weather2°C (35°F)100 mm (3.9 inches)90%moderate
March Weather5°C (42°F)94 mm (3.7 inches)89%high
April Weather11°C (52°F)102 mm (4.0 inches)88%very high
May Weather17°C (63°F)121 mm (4.8 inches)80%very high
June Weather22°C (71°F)101 mm (4.0 inches)79%very high
July Weather25°C (77°F)138 mm (5.4 inches)74%very high
August Weather23°C (74°F)110 mm (4.3 inches)64%very high
September Weather20°C (68°F)129 mm (5.1 inches)67%very high
October Weather14°C (58°F)113 mm (4.4 inches)81%high
November Weather6°C (43°F)83 mm (3.3 inches)89%moderate
December Weather2°C (36°F)91 mm (3.6 inches)88%low

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