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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 (45°F), with a minimum dipping to a chilly -11°C (12°F) and a maximum reaching a pleasant 23°C (74°F). Expect about 130 mm (5.1 in) of precipitation spread across 10 days, contributing to an average humidity level of 88%, which ensures a rather damp atmosphere.

December Temperature in Clarksville

In December in Clarksville, the average temperature is 7°C (45°F). The maximum can reach 23°C (74°F), while the minimum can be as low as -11°C (12°F). This temperature range makes Clarksville a destination where you should be prepared for both warm days and chilly nights, perfect for layering your travel wardrobe.

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 (45°F), with highs reaching up to 23°C (74°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec394352587077807873624844
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 130 mm (5.1 in) over a period of 10 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 130 mm (5.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9717115115712811211212212012985130
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 88%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through a heavy, thick atmosphere that clings to your skin.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
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 Weather4°C (40°F)97 mm (3.8 inches)87%moderate
February Weather6°C (44°F)171 mm (6.7 inches)86%high
March Weather11°C (52°F)151 mm (6.0 inches)86%high
April Weather15°C (59°F)157 mm (6.2 inches)82%very high
May Weather21°C (70°F)128 mm (5.0 inches)82%very high
June Weather25°C (77°F)112 mm (4.4 inches)83%extreme
July Weather27°C (81°F)112 mm (4.4 inches)80%extreme
August Weather25°C (78°F)122 mm (4.8 inches)74%very high
September Weather23°C (74°F)120 mm (4.7 inches)71%very high
October Weather17°C (63°F)129 mm (5.1 inches)78%high
November Weather9°C (48°F)85 mm (3.4 inches)88%moderate
December Weather7°C (45°F)130 mm (5.1 inches)88%moderate

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