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December Weather in Front Royal, United States

Last updated: June 24, 2025

In December, the average temperature in Front Royal, United States is a brisk 4°C (39°F). Be prepared for variations, as temperatures can dip as low as -13°C (9°F) or rise to a pleasant 21°C (69°F). Expect about 87 mm (3.4 in) of rainfall over 8 days, and with an average humidity of 85%, this month lends itself to a uniquely refreshing atmosphere.

December Temperature in Front Royal

In December in Front Royal, the average temperature is 4°C (39°F). Maximum temperatures can reach 21°C (69°F), while minimums can drop as low as -13°C (9°F). Travelers should be prepared for a wide range of weather conditions during this time.

December Weather in Front Royal: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Front Royal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Front Royal, December typically has an average temperature of 4°C (39°F), with highs reaching up to 21°C (69°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec343945556472787569594539
Data source: Temperature data for Front Royal 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 Front Royal

In Front Royal in December, the precipitation amount is 87 mm (3.4 in), which occurs over a span of 8 days.

December Precipitation Trends in Front Royal

The chart displays monthly precipitation patterns in Front Royal, 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 Front Royal, December typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec6091791021311131011121121027987
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Front Royal

In Front Royal in December, humidity is 85%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to ward off the cold and moisture.

December Average Humidity in Front Royal

This chart illustrates the average monthly humidity levels in Front Royal, 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 Front Royal is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Front Royal

In Front Royal in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Front Royal, you can check the information here.

Maximum UV Index Levels in Front Royal for December

The chart shows the monthly maximum UV Index (UVI) for Front Royal 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 Front Royal typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101010108753
Data source: Front Royal 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 Front Royal Compares to Other Months

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

This table compares monthly weather conditions in Front Royal, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)60 mm (2.3 inches)86%moderate
February Weather4°C (39°F)91 mm (3.6 inches)86%moderate
March Weather7°C (45°F)79 mm (3.1 inches)86%high
April Weather13°C (55°F)102 mm (4.0 inches)84%very high
May Weather18°C (64°F)131 mm (5.2 inches)78%very high
June Weather22°C (73°F)113 mm (4.5 inches)79%very high
July Weather26°C (78°F)100 mm (4.0 inches)70%very high
August Weather24°C (75°F)112 mm (4.4 inches)59%very high
September Weather21°C (69°F)112 mm (4.4 inches)68%very high
October Weather15°C (60°F)102 mm (4.0 inches)80%high
November Weather7°C (45°F)79 mm (3.1 inches)86%moderate
December Weather4°C (39°F)87 mm (3.4 inches)85%moderate

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