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December Weather in Virginia, United States

Last updated: June 24, 2025

In December, the average temperature in Virginia, United States hovers around -9°C (17°F), with extremes ranging from a chilling -36°C (-32°F) to a milder 7°C (45°F). Expect 53 mm (2.1 in) of precipitation spread over 9 days, coupled with a high average humidity of 89%. Bundle up and prepare for some cozy indoor time!

December Temperature in Virginia

In December in Virginia, the average temperature is -9°C (17°F). Maximums can reach 7°C (45°F) and minimums can be as low as -36°C (-32°F). Travelers should be prepared for extreme cold conditions and dress warmly to fully enjoy their visit.

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

The chart illustrates December temperature patterns in Virginia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Virginia, December typically has an average temperature of -9°C (17°F), with highs reaching up to 7°C (45°F) and lows dropping to around -36°C (-32°F).
JanFebMarAprMayJunJulAugSepOctNovDec9926385464696557432716
Data source: Temperature data for Virginia 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 Virginia

In Virginia in December, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.

December Precipitation Trends in Virginia

The chart displays monthly precipitation patterns in Virginia, 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 Virginia, December typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec22283259708110387117913953
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Virginia

In Virginia in December, humidity is 89%. With an average temperature of -9°C (17°F), this humidity feels like an unpleasant chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm while battling the damp air.

December Average Humidity in Virginia

This chart illustrates the average monthly humidity levels in Virginia, 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 Virginia is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%88%83%76%76%76%77%77%82%88%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Virginia

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

Maximum UV Index Levels in Virginia for December

The chart shows the monthly maximum UV Index (UVI) for Virginia 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 Virginia typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789987532
Data source: Virginia 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 Virginia Compares to Other Months

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

This table compares monthly weather conditions in Virginia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (10°F)22 mm (0.9 inches)92%low
February Weather-13°C (10°F)28 mm (1.1 inches)93%moderate
March Weather-3°C (27°F)32 mm (1.3 inches)88%moderate
April Weather3°C (38°F)59 mm (2.3 inches)83%high
May Weather12°C (54°F)70 mm (2.8 inches)76%very high
June Weather18°C (65°F)81 mm (3.2 inches)76%very high
July Weather20°C (69°F)103 mm (4.1 inches)76%very high
August Weather18°C (65°F)87 mm (3.4 inches)77%very high
September Weather14°C (58°F)117 mm (4.6 inches)77%high
October Weather6°C (43°F)91 mm (3.6 inches)82%moderate
November Weather-3°C (27°F)39 mm (1.5 inches)87%moderate
December Weather-9°C (17°F)53 mm (2.1 inches)89%low

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