nomadseason

December Weather in Afton, United States

Last updated: June 24, 2025

In December, the average temperature in Afton, United States hovers around -1°C (31°F), with a minimum drop as low as -21°C (-6°F) and a maximum reaching up to 16°C (61°F). Expect about 93 mm (3.7 in) of precipitation over 13 days, resulting in a high average humidity of 86%—perfect for those cozy indoor activities!

December Temperature in Afton

In December in Afton, the average temperature is -1°C (31°F). Maximum temperatures can reach 16°C (61°F), while minimums can drop as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures during this month, ensuring they pack accordingly for both chilly and milder days.

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 -1°C (31°F), with highs reaching up to 16°C (61°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec252834465766716963533830
Data source: Temperature data for Afton generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Afton

In Afton in December, the total precipitation amount is 93 mm (3.7 in), which falls over the course of 13 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 93 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec79939012212811313411910214810194
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Afton

In Afton in December humidity is 86%. With an average temperature of -1°C (31°F), this humidity feels like an eerie chill enveloping you, making travel uncomfortable as the damp air bites into your skin and the cold seeps through even the warmest of clothes, creating an atmosphere that is heavy and uninviting.

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 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
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 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 Afton, you can visit Hourly UV Index in Afton.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910101098642
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-4°C (25°F)79 mm (3.1 inches)90%moderate
February Weather-2°C (28°F)93 mm (3.7 inches)90%moderate
March Weather1°C (34°F)90 mm (3.6 inches)87%high
April Weather8°C (46°F)122 mm (4.8 inches)88%very high
May Weather14°C (58°F)128 mm (5.0 inches)82%very high
June Weather19°C (66°F)113 mm (4.4 inches)79%very high
July Weather22°C (71°F)134 mm (5.3 inches)78%very high
August Weather21°C (69°F)119 mm (4.7 inches)76%very high
September Weather17°C (63°F)102 mm (4.0 inches)78%very high
October Weather11°C (53°F)148 mm (5.8 inches)84%high
November Weather3°C (38°F)101 mm (4.0 inches)89%moderate
December Weather-1°C (31°F)93 mm (3.7 inches)86%low

Compare Afton's Climate with Cities Worldwide