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December Weather in Nashville, United States

Last updated: June 24, 2025

In Nashville, United States, the average temperature in December is a cool 9°C (49°F). During this month, temperatures can dip to a minimum of -4°C (25°F), while peaking at a pleasant 25°C (78°F). Expect around 138 mm (5.4 in) of precipitation spread over 9 days, and prepare for high humidity at 88%.

December Temperature in Nashville

In December in Nashville, the average temperature is 9°C (49°F). Maximums can reach 25°C (78°F), and minimums can drop as low as -4°C (25°F). Be prepared for a range of weather conditions, making it ideal for travelers who enjoy both mild and cooler temperatures.

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

The chart illustrates December temperature patterns in Nashville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nashville, December typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (78°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec444757627279828177655349
Data source: Temperature data for Nashville 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 Nashville

In Nashville in December, the precipitation amount is 138 mm (5.4 in) spread over 9 days.

December Precipitation Trends in Nashville

The chart displays monthly precipitation patterns in Nashville, 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 Nashville, December typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec106167163203182109981188210277138
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nashville

In Nashville in December, humidity is 88%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.

December Average Humidity in Nashville

This chart illustrates the average monthly humidity levels in Nashville, 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 Nashville is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nashville

In Nashville in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Nashville for better planning.

Maximum UV Index Levels in Nashville for December

The chart shows the monthly maximum UV Index (UVI) for Nashville 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 Nashville typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111119864
Data source: Nashville 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 Nashville Compares to Other Months

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

This table compares monthly weather conditions in Nashville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)106 mm (4.2 inches)82%moderate
February Weather8°C (47°F)167 mm (6.6 inches)80%high
March Weather14°C (57°F)163 mm (6.4 inches)78%very high
April Weather17°C (62°F)203 mm (8.0 inches)79%very high
May Weather22°C (72°F)182 mm (7.2 inches)81%extreme
June Weather26°C (79°F)109 mm (4.3 inches)77%extreme
July Weather28°C (82°F)98 mm (3.8 inches)72%extreme
August Weather27°C (81°F)118 mm (4.6 inches)65%extreme
September Weather25°C (77°F)82 mm (3.2 inches)63%very high
October Weather18°C (65°F)102 mm (4.0 inches)70%very high
November Weather12°C (53°F)77 mm (3.0 inches)82%high
December Weather9°C (49°F)138 mm (5.4 inches)88%moderate

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