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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 9°C (49°F). While you might experience a chilly minimum of -7°C (20°F), the temperature can rise to a pleasant 24°C (75°F). Expect approximately 151 mm (6.0 in) of precipitation spread across 12 days, accompanied by high humidity levels of 88%. Plan accordingly for a mix of cool rain and mild sunny days!

December Temperature in Ashville

In December in Ashville, the average temperature is 9°C (49°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -7°C (20°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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 9°C (49°F), with highs reaching up to 24°C (75°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec465157637277807976675349
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 total precipitation amount is 151 mm (6.0 in) accumulated over the course of 12 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 151 mm (6.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1231751451581041421091289312585151
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 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 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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
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 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 Ashville for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109764
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 Weather8°C (46°F)123 mm (4.8 inches)85%moderate
February Weather11°C (52°F)175 mm (6.9 inches)84%high
March Weather14°C (58°F)145 mm (5.7 inches)82%very high
April Weather17°C (63°F)158 mm (6.2 inches)82%very high
May Weather22°C (72°F)104 mm (4.1 inches)81%extreme
June Weather25°C (77°F)142 mm (5.6 inches)77%extreme
July Weather27°C (80°F)108 mm (4.3 inches)77%extreme
August Weather26°C (80°F)128 mm (5.0 inches)72%very high
September Weather24°C (76°F)93 mm (3.7 inches)73%very high
October Weather19°C (67°F)125 mm (4.9 inches)73%high
November Weather11°C (53°F)85 mm (3.3 inches)85%high
December Weather9°C (49°F)151 mm (6.0 inches)88%moderate

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