December Weather in Afton, United States

Last updated: June 24, 2025

In December, the average temperature in Afton, United States hovers around -5°C (23°F), with a minimum dip of -26°C (-15°F) and a possible maximum reaching 14°C (57°F). This chilly month brings about 55 mm (2.2 in) of precipitation over 8 days, while the air maintains a brisk average humidity of 84%. Bundle up and prepare for the cold!

December Temperature in Afton

In December in Afton, the average temperature is -5°C (23°F). Maximum temperatures can reach 14°C (57°F), while minimums can drop as low as -26°C (-15°F). It's essential to pack warm clothing if you're planning to visit 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 -5°C (23°F), with highs reaching up to 14°C (57°F) and lows dropping to around -26°C (-15°F).

Data source: Temperature data for Afton generated using information from the Copernicus Climate Change Service.

December Precipitation in Afton

In Afton in December, the precipitation amount is 55 mm (2.2 in) over the course of 8 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 55 mm (2.2 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Afton

In Afton in December, humidity is 84%. With an average temperature of -5°C (23°F), this humidity feels like an icy blanket wrapping around you, making the cold air bite even deeper and turning travel into a brisk, challenging adventure where each breath comes with a frosty reminder of the 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 84%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (17°F)	29 mm (1.1 inches)	87%	low
February Weather	-8°C (17°F)	38 mm (1.5 inches)	90%	moderate
March Weather	0°C (33°F)	56 mm (2.2 inches)	85%	moderate
April Weather	6°C (43°F)	87 mm (3.4 inches)	84%	high
May Weather	15°C (59°F)	134 mm (5.3 inches)	78%	very high
June Weather	21°C (71°F)	103 mm (4.1 inches)	80%	very high
July Weather	23°C (74°F)	104 mm (4.1 inches)	81%	very high
August Weather	21°C (70°F)	122 mm (4.8 inches)	81%	very high
September Weather	18°C (64°F)	110 mm (4.3 inches)	81%	high
October Weather	9°C (48°F)	102 mm (4.0 inches)	84%	moderate
November Weather	0°C (33°F)	39 mm (1.5 inches)	88%	moderate
December Weather	-5°C (23°F)	55 mm (2.2 inches)	84%	low