December Weather in Clark, United States

Last updated: June 24, 2025

In December, the average temperature in Clark, United States hovers around -5°C (23°F). Expect a chilly range, with minimums plunging to -26°C (-14°F) and maximums reaching up to 14°C (57°F). During this month, you can anticipate 31 mm (1.2 in) of precipitation over about 5 days, coupled with an average humidity of 81%. Stay warm and prepared!

December Temperature in Clark

In December in Clark, the average temperature is -5°C (23°F). The maximum can reach 14°C (57°F), and the minimum can be as low as -26°C (-14°F). Be sure to pack warm clothing and prepare for variable weather conditions if you're planning to visit during this time.

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

The chart illustrates December temperature patterns in Clark, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clark, 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 (-14°F).

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

December Precipitation in Clark

In Clark in December, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

December Precipitation Trends in Clark

The chart displays monthly precipitation patterns in Clark, 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 Clark, December typically receives around 31 mm (1.2 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 Clark

In Clark in December, humidity is 81%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that penetrates deep into your bones, making outdoor activities uncomfortable and travel a challenge.

December Average Humidity in Clark

This chart illustrates the average monthly humidity levels in Clark, 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 Clark is approximately 81%, 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 Clark

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

Maximum UV Index Levels in Clark for December

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

Data source: Clark 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 Clark Compares to Other Months

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

This table compares monthly weather conditions in Clark, 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 (15°F)	19 mm (0.8 inches)	81%	moderate
February Weather	-10°C (14°F)	15 mm (0.6 inches)	85%	moderate
March Weather	-1°C (31°F)	43 mm (1.7 inches)	76%	high
April Weather	5°C (41°F)	60 mm (2.3 inches)	79%	high
May Weather	14°C (57°F)	73 mm (2.9 inches)	76%	very high
June Weather	21°C (71°F)	77 mm (3.0 inches)	81%	very high
July Weather	23°C (74°F)	81 mm (3.2 inches)	82%	very high
August Weather	21°C (71°F)	93 mm (3.7 inches)	82%	very high
September Weather	17°C (63°F)	84 mm (3.3 inches)	77%	very high
October Weather	8°C (46°F)	79 mm (3.1 inches)	76%	moderate
November Weather	0°C (33°F)	20 mm (0.8 inches)	84%	moderate
December Weather	-5°C (23°F)	31 mm (1.2 inches)	81%	low