December Weather in Stanley, United States

Last updated: June 24, 2025

In December, the average temperature in Stanley, United States hovers around -8°C (19°F). While the mercury can plunge to a chilling -36°C (-33°F), it may occasionally rise to a mild 10°C (51°F). Expect 19 mm (0.7 in) of precipitation over approximately 5 days, contributing to a notably high average humidity of 92%.

December Temperature in Stanley

In December in Stanley, the average temperature is -8°C (19°F), with maximums reaching up to 10°C (51°F) and minimums plummeting as low as -36°C (-33°F). Travelers should be prepared for extremely cold conditions and variable weather during this time.

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

The chart illustrates December temperature patterns in Stanley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stanley, December typically has an average temperature of -8°C (19°F), with highs reaching up to 10°C (51°F) and lows dropping to around -36°C (-33°F).

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

December Precipitation in Stanley

In Stanley in December, the total precipitation amount is 19 mm (0.7 in) spread over the course of 5 days.

December Precipitation Trends in Stanley

The chart displays monthly precipitation patterns in Stanley, 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 Stanley, December typically receives around 19 mm (0.7 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 Stanley

In Stanley in December, humidity is 92%. With an average temperature of -8°C (19°F), this humidity feels like a frigid blanket of cold air clinging to your skin, making travel outside feel less like a winter wonderland and more like an icy challenge.

December Average Humidity in Stanley

This chart illustrates the average monthly humidity levels in Stanley, 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 Stanley is approximately 92%, 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 Stanley

In Stanley 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 Stanley, you can visit Hourly UV Index in Stanley.

Maximum UV Index Levels in Stanley for December

The chart shows the monthly maximum UV Index (UVI) for Stanley 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 Stanley typically reaches 2, which falls under the low exposure category.

Data source: Stanley 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 Stanley Compares to Other Months

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

This table compares monthly weather conditions in Stanley, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-11°C (12°F)	12 mm (0.5 inches)	89%	low
February Weather	-13°C (9°F)	16 mm (0.6 inches)	92%	moderate
March Weather	-3°C (27°F)	26 mm (1.0 inches)	84%	moderate
April Weather	3°C (37°F)	25 mm (1.0 inches)	74%	very high
May Weather	12°C (54°F)	41 mm (1.6 inches)	73%	very high
June Weather	19°C (66°F)	72 mm (2.8 inches)	69%	very high
July Weather	21°C (70°F)	63 mm (2.5 inches)	76%	very high
August Weather	19°C (67°F)	56 mm (2.2 inches)	74%	very high
September Weather	14°C (58°F)	65 mm (2.6 inches)	65%	high
October Weather	5°C (41°F)	33 mm (1.3 inches)	71%	moderate
November Weather	-2°C (28°F)	21 mm (0.8 inches)	84%	low
December Weather	-8°C (19°F)	19 mm (0.7 inches)	92%	low