December Weather in Clarksville, United States

Last updated: June 24, 2025

In December, the average temperature in Clarksville, United States hovers around -2°C (29°F). While temperatures can drop as low as -22°C (-7°F), they can also soar to a maximum of 22°C (71°F). Expect about 35 mm (1.4 in) of precipitation over approximately 5 days, with an average humidity level of 83%.

December Temperature in Clarksville

In December in Clarksville, the average temperature is -2°C (29°F). Maximum temperatures can reach 22°C (71°F), while minimums can drop as low as -22°C (-7°F). Travelers should be prepared for significant temperature fluctuations during this time.

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 -2°C (29°F), with highs reaching up to 22°C (71°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec202036466172757166513628
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 35 mm (1.4 in) over a span of 5 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 35 mm (1.4 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec39497277155118961121091294735
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 83%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill that seeps into your bones, making travel outside feel particularly uncomfortable and brisk, as the damp air enhances the cold sensation, leaving you longing for warmth and shelter.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%80%81%74%81%80%77%75%80%87%83%
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.
JanFebMarAprMayJunJulAugSepOctNovDec35589111098533
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 Weather-7°C (20°F)39 mm (1.5 inches)82%moderate
February Weather-7°C (20°F)48 mm (1.9 inches)84%moderate
March Weather2°C (36°F)72 mm (2.8 inches)80%moderate
April Weather8°C (47°F)77 mm (3.0 inches)81%very high
May Weather16°C (61°F)155 mm (6.1 inches)74%very high
June Weather22°C (73°F)118 mm (4.7 inches)80%extreme
July Weather24°C (75°F)96 mm (3.8 inches)80%very high
August Weather22°C (71°F)112 mm (4.4 inches)77%very high
September Weather19°C (66°F)109 mm (4.3 inches)75%very high
October Weather10°C (51°F)129 mm (5.1 inches)80%moderate
November Weather2°C (36°F)47 mm (1.9 inches)87%moderate
December Weather-2°C (29°F)35 mm (1.4 inches)83%moderate

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