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December Weather in Afton, United States

Last updated: June 24, 2025

In December, the average temperature in Afton, United States hovers around 0°C (32°F). Be prepared for a temperature range that can plummet to a minimum of -23°C (-10°F) or peak at a pleasant 22°C (71°F). During this time, expect about 36 mm (1.4 in) of precipitation spread over 4 days, with an average humidity of 83%. Stay cozy and prepared for the whims of the weather!

December Temperature in Afton

In December in Afton, the average temperature is 0°C (32°F). Maximum temperatures can reach 22°C (71°F), while minimums can drop as low as -23°C (-10°F). Travelers should be prepared for a wide range of weather conditions during this time.

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

The chart illustrates December temperature patterns in Afton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Afton, December typically has an average temperature of 0°C (32°F), with highs reaching up to 22°C (71°F) and lows dropping to around -23°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec232541506275777468523932
Data source: Temperature data for Afton 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 Afton

In Afton in December, the precipitation amount is 36 mm (1.4 in) over the course of 4 days.

December Precipitation Trends in Afton

The chart displays monthly precipitation patterns in Afton, 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 Afton, December typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec3936896717011484961321454036
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Afton

In Afton in December, humidity is 83%. With an average temperature of 0°C (32°F), this humidity feels like traveling through a thick mist, making every step heavy and the cold pierce even deeper, causing you to constantly seek shelter or warm beverages to counteract the damp chill.

December Average Humidity in Afton

This chart illustrates the average monthly humidity levels in Afton, 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 Afton is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Afton

In Afton 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 Afton, you can check the information here.

Maximum UV Index Levels in Afton for December

The chart shows the monthly maximum UV Index (UVI) for Afton 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 Afton typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810111098643
Data source: Afton 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 Afton Compares to Other Months

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

This table compares monthly weather conditions in Afton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)39 mm (1.5 inches)78%moderate
February Weather-4°C (26°F)36 mm (1.4 inches)80%moderate
March Weather5°C (41°F)88 mm (3.5 inches)77%high
April Weather10°C (50°F)67 mm (2.7 inches)77%very high
May Weather17°C (63°F)170 mm (6.7 inches)77%very high
June Weather24°C (75°F)114 mm (4.5 inches)81%extreme
July Weather25°C (77°F)84 mm (3.3 inches)81%very high
August Weather23°C (74°F)96 mm (3.8 inches)77%very high
September Weather20°C (69°F)132 mm (5.2 inches)73%very high
October Weather11°C (53°F)145 mm (5.7 inches)75%high
November Weather4°C (39°F)40 mm (1.6 inches)85%moderate
December Weather0°C (32°F)36 mm (1.4 inches)83%moderate

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