December Weather in Richmond, United States

Last updated: June 24, 2025

In December, the average temperature in Richmond, United States hovers around 7°C (44°F), with extremes ranging from a chilly -9°C (17°F) to a pleasant 22°C (72°F). Expect notable precipitation of 95 mm (3.7 in) spread across 9 days, and a high average humidity of 85%, making the air feel quite damp.

December Temperature in Richmond

In December in Richmond, the average temperature is 7°C (44°F). Maximums can reach 22°C (72°F) and minimums can be as low as -9°C (17°F). It's a time to pack for diverse conditions, ensuring you enjoy both the mild days and chilly nights.

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

The chart illustrates December temperature patterns in Richmond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Richmond, December typically has an average temperature of 7°C (44°F), with highs reaching up to 22°C (72°F) and lows dropping to around -9°C (17°F).

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

December Precipitation in Richmond

In Richmond in December, the precipitation amount is 95 mm (3.7 in) over the course of 9 days.

December Precipitation Trends in Richmond

The chart displays monthly precipitation patterns in Richmond, 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 Richmond, December typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 9 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 Richmond

In Richmond in December, humidity is 85%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

December Average Humidity in Richmond

This chart illustrates the average monthly humidity levels in Richmond, 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 Richmond is approximately 85%, 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 Richmond

In Richmond in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Richmond, you can check the information here.

Maximum UV Index Levels in Richmond for December

The chart shows the monthly maximum UV Index (UVI) for Richmond 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 Richmond typically reaches 3, which falls under the moderate exposure category.

Data source: Richmond 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 Richmond Compares to Other Months

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

This table compares monthly weather conditions in Richmond, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	68 mm (2.7 inches)	84%	moderate
February Weather	7°C (45°F)	99 mm (3.9 inches)	84%	high
March Weather	10°C (50°F)	72 mm (2.8 inches)	84%	high
April Weather	15°C (60°F)	105 mm (4.1 inches)	82%	very high
May Weather	20°C (69°F)	102 mm (4.0 inches)	82%	very high
June Weather	24°C (76°F)	123 mm (4.9 inches)	83%	very high
July Weather	27°C (81°F)	104 mm (4.1 inches)	79%	very high
August Weather	26°C (78°F)	170 mm (6.7 inches)	77%	very high
September Weather	23°C (74°F)	97 mm (3.8 inches)	75%	very high
October Weather	18°C (64°F)	127 mm (5.0 inches)	81%	high
November Weather	10°C (50°F)	74 mm (2.9 inches)	87%	moderate
December Weather	7°C (44°F)	95 mm (3.7 inches)	85%	moderate