December Weather in Healy, United States

Last updated: June 24, 2025

In December, the average temperature in Healy, United States plummets to -15°C (5°F). While it can dip as low as -39°C (-37°F), temperatures may reach a maximum of 4°C (40°F). Expect 47 mm (1.9 in) of precipitation over approximately 10 days, with an average humidity of a staggering 97%.

December Temperature in Healy

In December in Healy, the average temperature is -15°C (5°F). Maximum can reach 4°C (40°F) and minimum can be as low as -39°C (-37°F). Travelers should be prepared for extreme cold and dress warmly to enjoy their visit.

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

The chart illustrates December temperature patterns in Healy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Healy, December typically has an average temperature of -15°C (5°F), with highs reaching up to 4°C (40°F) and lows dropping to around -39°C (-37°F).

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

December Precipitation in Healy

In Healy in December, the precipitation amount is 47 mm (1.9 in) over a span of 10 days.

December Precipitation Trends in Healy

The chart displays monthly precipitation patterns in Healy, 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 Healy, December typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 10 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 Healy

In Healy in December, humidity is 97%. With an average temperature of -15°C (5°F), this humidity feels like stepping into a frigid mist, making travel uncomfortable and challenging as the cold air clings to the skin and every breath feels sharp and biting.

December Average Humidity in Healy

This chart illustrates the average monthly humidity levels in Healy, 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 Healy is approximately 97%, 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 Healy

In Healy 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 Healy.

Maximum UV Index Levels in Healy for December

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

Data source: Healy 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 Healy Compares to Other Months

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

This table compares monthly weather conditions in Healy, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-19°C (-2°F)	17 mm (0.7 inches)	96%	low
February Weather	-16°C (3°F)	30 mm (1.2 inches)	93%	low
March Weather	-12°C (10°F)	33 mm (1.3 inches)	92%	moderate
April Weather	-2°C (28°F)	24 mm (0.9 inches)	90%	moderate
May Weather	6°C (43°F)	44 mm (1.7 inches)	86%	high
June Weather	12°C (54°F)	89 mm (3.5 inches)	86%	high
July Weather	14°C (57°F)	79 mm (3.1 inches)	95%	high
August Weather	11°C (51°F)	119 mm (4.7 inches)	96%	moderate
September Weather	5°C (42°F)	65 mm (2.5 inches)	95%	moderate
October Weather	-2°C (28°F)	63 mm (2.5 inches)	97%	low
November Weather	-14°C (7°F)	41 mm (1.6 inches)	99%	low
December Weather	-15°C (5°F)	47 mm (1.9 inches)	97%	low