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December Weather in Crossville, United States

Last updated: June 24, 2025

In December, the average temperature in Crossville, United States hovers around 6°C (43°F). While you might experience chilly lows of -11°C (13°F), be prepared for warmer spells that can reach up to 22°C (73°F). This month also brings 145 mm (5.7 in) of precipitation over approximately 11 days, accompanied by a high average humidity of 88%, making for a rather damp atmosphere.

December Temperature in Crossville

In December, in Crossville, the average temperature is 6°C (43°F). Maximum temperatures can reach 22°C (73°F), while minimums can drop as low as -11°C (13°F). Be prepared for a wide range of temperatures when traveling during this time!

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

The chart illustrates December temperature patterns in Crossville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crossville, December typically has an average temperature of 6°C (43°F), with highs reaching up to 22°C (73°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec394450576773767471614743
Data source: Temperature data for Crossville 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 Crossville

In Crossville, in December, the precipitation amount is 145 mm (5.7 in) over a span of 11 days.

December Precipitation Trends in Crossville

The chart displays monthly precipitation patterns in Crossville, 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 Crossville, December typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec10718716916314514016016011212875145
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Crossville

In Crossville in December, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

December Average Humidity in Crossville

This chart illustrates the average monthly humidity levels in Crossville, 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 Crossville is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Crossville

In Crossville 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 Crossville, you can check the information here.

Maximum UV Index Levels in Crossville for December

The chart shows the monthly maximum UV Index (UVI) for Crossville 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 Crossville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
Data source: Crossville 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 Crossville Compares to Other Months

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

This table compares monthly weather conditions in Crossville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)107 mm (4.2 inches)87%moderate
February Weather7°C (44°F)187 mm (7.4 inches)87%high
March Weather10°C (51°F)169 mm (6.7 inches)85%very high
April Weather14°C (57°F)163 mm (6.4 inches)82%very high
May Weather20°C (67°F)145 mm (5.7 inches)83%extreme
June Weather23°C (73°F)140 mm (5.5 inches)82%extreme
July Weather25°C (76°F)160 mm (6.3 inches)78%extreme
August Weather24°C (75°F)160 mm (6.3 inches)67%very high
September Weather21°C (71°F)112 mm (4.4 inches)64%very high
October Weather16°C (61°F)128 mm (5.0 inches)74%high
November Weather8°C (47°F)75 mm (2.9 inches)87%moderate
December Weather6°C (43°F)145 mm (5.7 inches)88%moderate

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