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December Weather in Clarksville, United States

Last updated: June 24, 2025

In December, the average temperature in Clarksville, United States hovers around 7°C (46°F). With a minimum temperature that can dip to -8°C (17°F) and a maximum reaching 23°C (73°F), this month offers a wide range of weather. Expect around 99 mm (3.9 in) of precipitation spread over 9 days, and a notably high average humidity of 85%.

December Temperature in Clarksville

In December in Clarksville, the average temperature is 7°C (46°F). Maximums can reach 23°C (73°F) and minimums can be as low as -8°C (17°F). Be prepared for a mix of mild days and chilly nights when planning your trip.

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

The chart illustrates December temperature patterns in Clarksville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clarksville, December typically has an average temperature of 7°C (46°F), with highs reaching up to 23°C (73°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec424751616976807874645045
Data source: Temperature data for Clarksville 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 Clarksville

In Clarksville in December, the precipitation amount is 99 mm (3.9 in) during a span of 9 days.

December Precipitation Trends in Clarksville

The chart displays monthly precipitation patterns in Clarksville, 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 Clarksville, December typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec82111851111181171021371051017799
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Clarksville

In Clarksville in December humidity is 85%. With an average temperature of 7°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much colder than it actually is.

December Average Humidity in Clarksville

This chart illustrates the average monthly humidity levels in Clarksville, 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 Clarksville is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Clarksville

In Clarksville 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 Clarksville, you can check the information here.

Maximum UV Index Levels in Clarksville for December

The chart shows the monthly maximum UV Index (UVI) for Clarksville 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 Clarksville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109853
Data source: Clarksville 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 Clarksville Compares to Other Months

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

This table compares monthly weather conditions in Clarksville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)82 mm (3.2 inches)84%moderate
February Weather8°C (47°F)111 mm (4.4 inches)84%high
March Weather11°C (52°F)85 mm (3.4 inches)84%high
April Weather16°C (61°F)111 mm (4.4 inches)82%very high
May Weather21°C (70°F)118 mm (4.7 inches)82%extreme
June Weather24°C (76°F)117 mm (4.6 inches)83%extreme
July Weather27°C (80°F)102 mm (4.0 inches)79%extreme
August Weather26°C (78°F)137 mm (5.4 inches)77%very high
September Weather23°C (74°F)105 mm (4.1 inches)75%very high
October Weather18°C (65°F)101 mm (4.0 inches)81%very high
November Weather10°C (50°F)77 mm (3.0 inches)87%moderate
December Weather7°C (46°F)99 mm (3.9 inches)85%moderate

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