December Weather in Clarendon, United States

Last updated: June 24, 2025

In December, the average temperature in Clarendon, United States hovers around 9°C (48°F), with occasional extremes reaching a minimum of -10°C (15°F) and peaking at 26°C (79°F). Expect about 159 mm (6.2 in) of precipitation over approximately 10 days, contributing to a high average humidity of 88%.

December Temperature in Clarendon

In December in Clarendon, the average temperature is 9°C (48°F), with maximums reaching 26°C (79°F) and minimums dropping as low as -10°C (15°F). Be prepared for a wide range of temperatures when planning your trip!

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

The chart illustrates December temperature patterns in Clarendon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clarendon, December typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (79°F) and lows dropping to around -10°C (15°F).

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

December Precipitation in Clarendon

In Clarendon in December, the precipitation amount is 159 mm (6.2 in) spread over a period of 10 days.

December Precipitation Trends in Clarendon

The chart displays monthly precipitation patterns in Clarendon, 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 Clarendon, December typically receives around 159 mm (6.2 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 Clarendon

In Clarendon in December, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

December Average Humidity in Clarendon

This chart illustrates the average monthly humidity levels in Clarendon, 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 Clarendon is approximately 88%, 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 Clarendon

In Clarendon in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Clarendon for better planning.

Maximum UV Index Levels in Clarendon for December

The chart shows the monthly maximum UV Index (UVI) for Clarendon 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 Clarendon typically reaches 4, which falls under the moderate exposure category.

Data source: Clarendon 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 Clarendon Compares to Other Months

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

This table compares monthly weather conditions in Clarendon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	106 mm (4.2 inches)	84%	moderate
February Weather	8°C (46°F)	168 mm (6.6 inches)	83%	high
March Weather	13°C (57°F)	159 mm (6.3 inches)	81%	very high
April Weather	16°C (62°F)	147 mm (5.8 inches)	81%	very high
May Weather	22°C (73°F)	159 mm (6.2 inches)	83%	extreme
June Weather	26°C (79°F)	103 mm (4.0 inches)	83%	extreme
July Weather	28°C (82°F)	115 mm (4.5 inches)	81%	extreme
August Weather	27°C (81°F)	116 mm (4.6 inches)	74%	very high
September Weather	25°C (77°F)	89 mm (3.5 inches)	71%	very high
October Weather	18°C (65°F)	132 mm (5.2 inches)	76%	high
November Weather	11°C (52°F)	80 mm (3.1 inches)	84%	moderate
December Weather	9°C (48°F)	159 mm (6.2 inches)	88%	moderate