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December Weather in Ashton, United States

Last updated: June 24, 2025

In December, the average temperature in Ashton, United States hovers around -6°C (22°F), with a minimum plunging to -22°C (-8°F) and a maximum reaching up to 9°C (49°F). Expect about 61 mm (2.4 in) of precipitation spread over 13 days. Humidity levels are quite high, averaging 91%, adding to the chilly atmosphere.

December Temperature in Ashton

In December in Ashton, the average temperature is -6°C (22°F), with maximums reaching 9°C (49°F) and minimums dipping as low as -22°C (-8°F). Travelers should be prepared for cold weather and pack accordingly to enjoy their visit.

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

The chart illustrates December temperature patterns in Ashton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ashton, December typically has an average temperature of -6°C (22°F), with highs reaching up to 9°C (49°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec212433395060686657413122
Data source: Temperature data for Ashton 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 Ashton

In Ashton in December, the precipitation amount is 61 mm (2.4 in) occurring over the course of 13 days.

December Precipitation Trends in Ashton

The chart displays monthly precipitation patterns in Ashton, 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 Ashton, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec637350646445122138495461
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ashton

In Ashton in December humidity is 91%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and travel challenging as the air feels dense and heavy, potentially making it more difficult to breathe and leaving a frosty mist on your skin.

December Average Humidity in Ashton

This chart illustrates the average monthly humidity levels in Ashton, 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 Ashton is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%95%90%81%71%64%59%49%52%69%86%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ashton

In Ashton 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 Ashton, you can check the information here.

Maximum UV Index Levels in Ashton for December

The chart shows the monthly maximum UV Index (UVI) for Ashton 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 Ashton typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111109643
Data source: Ashton 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 Ashton Compares to Other Months

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

This table compares monthly weather conditions in Ashton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)63 mm (2.5 inches)95%moderate
February Weather-5°C (24°F)72 mm (2.9 inches)95%moderate
March Weather1°C (33°F)50 mm (2.0 inches)90%high
April Weather4°C (40°F)64 mm (2.5 inches)81%very high
May Weather10°C (50°F)64 mm (2.5 inches)71%very high
June Weather15°C (60°F)45 mm (1.8 inches)64%extreme
July Weather20°C (69°F)12 mm (0.5 inches)59%extreme
August Weather19°C (67°F)21 mm (0.8 inches)49%very high
September Weather14°C (57°F)38 mm (1.5 inches)52%very high
October Weather5°C (42°F)49 mm (1.9 inches)69%high
November Weather0°C (32°F)54 mm (2.1 inches)86%moderate
December Weather-6°C (22°F)61 mm (2.4 inches)91%moderate

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