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December Weather in Ashville, United States

Last updated: June 24, 2025

In December, the average temperature in Ashville, United States hovers around 3°C (37°F). Prepare for a chilly ambiance, as temperatures can dip as low as -16°C (3°F), while they may reach up to 19°C (66°F) on warmer days. Expect 104 mm (4.1 in) of precipitation spread over 11 days, contributing to an average humidity of 87%—perfect for cozy indoor activities and embracing the beauty of the season!

December Temperature in Ashville

In December in Ashville, the average temperature is 3°C (37°F), with maximums reaching 19°C (66°F) and minimums dropping as low as -16°C (3°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Ashville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ashville, December typically has an average temperature of 3°C (37°F), with highs reaching up to 19°C (66°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec323543536472777470584337
Data source: Temperature data for Ashville 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 Ashville

In Ashville in December, the precipitation amount is 104 mm (4.1 in) over the course of 11 days.

December Precipitation Trends in Ashville

The chart displays monthly precipitation patterns in Ashville, 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 Ashville, December typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec80114119119123150111929210298104
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ashville

In Ashville in December, humidity is 87%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating proper layers to stay warm while navigating the wet conditions.

December Average Humidity in Ashville

This chart illustrates the average monthly humidity levels in Ashville, 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 Ashville is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ashville

In Ashville 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 Ashville, you can check the information here.

Maximum UV Index Levels in Ashville for December

The chart shows the monthly maximum UV Index (UVI) for Ashville 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 Ashville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Ashville 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 Ashville Compares to Other Months

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

This table compares monthly weather conditions in Ashville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)80 mm (3.1 inches)88%moderate
February Weather2°C (36°F)114 mm (4.5 inches)88%moderate
March Weather6°C (44°F)119 mm (4.7 inches)87%high
April Weather12°C (53°F)119 mm (4.7 inches)85%very high
May Weather18°C (65°F)123 mm (4.8 inches)81%very high
June Weather22°C (73°F)150 mm (5.9 inches)82%very high
July Weather25°C (77°F)111 mm (4.4 inches)81%very high
August Weather23°C (74°F)92 mm (3.6 inches)73%very high
September Weather21°C (70°F)92 mm (3.6 inches)73%very high
October Weather15°C (59°F)102 mm (4.0 inches)78%high
November Weather6°C (43°F)98 mm (3.9 inches)89%moderate
December Weather3°C (37°F)104 mm (4.1 inches)87%moderate

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