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December Weather in New Knoxville, United States

Last updated: June 24, 2025

In December, the average temperature in New Knoxville, United States hovers around 2°C (35°F). However, prepare for extremes, as temperatures can dip to a chilly -22°C (-7°F) or rise to a mild 18°C (64°F). Expect approximately 70 mm (2.8 in) of precipitation spread over 10 days, contributing to an average humidity of 86%. Pack accordingly!

December Temperature in New Knoxville

In December in New Knoxville, the average temperature is 2°C (35°F). Maximum temperatures can reach 18°C (64°F), while minimums can drop as low as -22°C (-7°F). Be prepared for a wide range of temperatures when traveling during this time!

December Weather in New Knoxville: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in New Knoxville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Knoxville, December typically has an average temperature of 2°C (35°F), with highs reaching up to 18°C (64°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec293241516372767368574135
Data source: Temperature data for New Knoxville 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 New Knoxville

In New Knoxville in December, the precipitation amount is 70 mm (2.8 in) over a period of 10 days.

December Precipitation Trends in New Knoxville

The chart displays monthly precipitation patterns in New Knoxville, 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 New Knoxville, December typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec749510310212312110510472988570
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in New Knoxville

In New Knoxville in December humidity is 86%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable as your clothes cling to you and the cold air cuts through any warmth you try to find.

December Average Humidity in New Knoxville

This chart illustrates the average monthly humidity levels in New Knoxville, 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 New Knoxville is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in New Knoxville

In New Knoxville in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in New Knoxville, you can visit Hourly UV Index in New Knoxville.

Maximum UV Index Levels in New Knoxville for December

The chart shows the monthly maximum UV Index (UVI) for New Knoxville 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 New Knoxville typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: New Knoxville 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 New Knoxville Compares to Other Months

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

This table compares monthly weather conditions in New Knoxville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)74 mm (2.9 inches)88%moderate
February Weather0°C (32°F)95 mm (3.7 inches)87%moderate
March Weather5°C (42°F)103 mm (4.0 inches)87%high
April Weather10°C (51°F)102 mm (4.0 inches)87%very high
May Weather17°C (63°F)123 mm (4.8 inches)81%very high
June Weather22°C (72°F)121 mm (4.8 inches)82%very high
July Weather24°C (76°F)105 mm (4.1 inches)81%very high
August Weather23°C (73°F)104 mm (4.1 inches)78%very high
September Weather20°C (69°F)72 mm (2.8 inches)78%very high
October Weather14°C (57°F)98 mm (3.9 inches)82%high
November Weather5°C (42°F)85 mm (3.4 inches)89%moderate
December Weather2°C (35°F)70 mm (2.8 inches)86%low

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