December Weather in Fort Yukon, United States

Last updated: June 24, 2025

In Fort Yukon, United States, the average temperature in December chills at a brisk -22°C (-7°F), with extremes dipping as low as -47°C (-53°F) and peaking at a frosty 0°C (32°F). Expect 20 mm (0.8 in) of precipitation over roughly 5 days, with an astonishing average humidity of 100% that makes the cold even more biting. Stay bundled up! ❄️

December Temperature in Fort Yukon

In December in Fort Yukon, the average temperature is -22°C (-7°F), with maximums reaching 0°C (32°F) and minimums dropping as low as -47°C (-53°F). Travelers should be prepared for extreme cold and dress accordingly to ensure a safe and enjoyable experience.

December Weather in Fort Yukon: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Fort Yukon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Yukon, December typically has an average temperature of -22°C (-7°F), with highs reaching up to 0°C (32°F) and lows dropping to around -47°C (-53°F).

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

December Precipitation in Fort Yukon

In Fort Yukon in December, the precipitation amount is 20 mm (0.8 in) over a period of 5 days.

December Precipitation Trends in Fort Yukon

The chart displays monthly precipitation patterns in Fort Yukon, 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 Fort Yukon, December typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 5 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 Fort Yukon

In Fort Yukon in December humidity is 100%. With an average temperature of -22°C (-7°F), this humidity feels like an eerie chill that seeps into your bones, making travel both uncomfortable and treacherous, as every breath hangs heavy with moisture in the frigid air.

December Average Humidity in Fort Yukon

This chart illustrates the average monthly humidity levels in Fort Yukon, 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 Fort Yukon is approximately 100%, 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 Fort Yukon

In Fort Yukon in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Fort Yukon.

Maximum UV Index Levels in Fort Yukon for December

The chart shows the monthly maximum UV Index (UVI) for Fort Yukon 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 Fort Yukon typically reaches 1, which falls under the low exposure category.

Data source: Fort Yukon 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 Fort Yukon Compares to Other Months

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

This table compares monthly weather conditions in Fort Yukon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-26°C (-14°F)	10 mm (0.4 inches)	98%	low
February Weather	-25°C (-12°F)	13 mm (0.5 inches)	97%	low
March Weather	-15°C (5°F)	11 mm (0.4 inches)	93%	low
April Weather	-3°C (26°F)	10 mm (0.4 inches)	89%	moderate
May Weather	10°C (50°F)	22 mm (0.9 inches)	83%	moderate
June Weather	18°C (64°F)	27 mm (1.1 inches)	84%	moderate
July Weather	19°C (67°F)	27 mm (1.1 inches)	86%	moderate
August Weather	14°C (57°F)	61 mm (2.4 inches)	90%	moderate
September Weather	7°C (45°F)	30 mm (1.2 inches)	92%	moderate
October Weather	-2°C (28°F)	23 mm (0.9 inches)	98%	low
November Weather	-17°C (2°F)	16 mm (0.6 inches)	100%	low
December Weather	-22°C (-7°F)	20 mm (0.8 inches)	100%	low