August Weather in Richmond, United States

Last updated: June 24, 2025

In Richmond, United States, the average temperature in August is a pleasant 21°C (70°F). However, temperatures can range from a cool 9°C (49°F) to a warm 32°C (90°F). Expect around 134 mm (5.3 in) of precipitation spread over 10 days, contributing to a relatively high average humidity of 81%.

August Temperature in Richmond

In August in Richmond, the average temperature is 21°C (70°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 9°C (49°F). This pleasant climate makes Richmond an ideal destination for travelers seeking comfortable weather and outdoor activities.

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

The chart illustrates August 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, August typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 9°C (49°F).

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

August Precipitation in Richmond

In Richmond in August, the total precipitation amount reaches 134 mm (5.3 in) over a span of 10 days.

August Precipitation Trends in Richmond

The chart displays monthly precipitation patterns in Richmond, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Richmond, August typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Richmond

In Richmond in August, humidity is 81%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace, making outdoor activities slightly uncomfortable and necessitating frequent breaks in the shade or air conditioning for a refreshing escape.

August Average Humidity in Richmond

This chart illustrates the average monthly humidity levels in Richmond, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Richmond is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Richmond

In Richmond in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Richmond.

Maximum UV Index Levels in Richmond for August

The chart shows the monthly maximum UV Index (UVI) for Richmond in August, 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 August, the maximum UV index in Richmond typically reaches 9, which falls under the very high exposure category.

Data source: Richmond August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	19 mm (0.8 inches)	87%	low
February Weather	-10°C (15°F)	22 mm (0.9 inches)	90%	moderate
March Weather	-1°C (31°F)	49 mm (1.9 inches)	85%	moderate
April Weather	5°C (41°F)	79 mm (3.1 inches)	84%	high
May Weather	14°C (58°F)	92 mm (3.6 inches)	78%	very high
June Weather	21°C (70°F)	74 mm (2.9 inches)	80%	very high
July Weather	23°C (74°F)	99 mm (3.9 inches)	81%	very high
August Weather	21°C (70°F)	134 mm (5.3 inches)	81%	very high
September Weather	17°C (63°F)	113 mm (4.5 inches)	81%	high
October Weather	8°C (47°F)	101 mm (4.0 inches)	84%	moderate
November Weather	0°C (32°F)	29 mm (1.1 inches)	88%	moderate
December Weather	-6°C (22°F)	44 mm (1.7 inches)	84%	low