August Weather in Williamsburg, United States

Last updated: June 24, 2025

In August, the average temperature in Williamsburg, United States is a comfortable 19°C (66°F), with a minimum that can dip to 8°C (46°F) and a maximum soaring up to 32°C (90°F). Expect about 61 mm (2.4 in) of precipitation over 12 days, accompanied by an average humidity level of 56%.

August Temperature in Williamsburg

In August in Williamsburg, the average temperature is 19°C (66°F). Maximums can reach 32°C (90°F), and minimums can be as low as 8°C (46°F). This mild climate makes it an ideal time for outdoor adventures and sightseeing.

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

The chart illustrates August temperature patterns in Williamsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williamsburg, August typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (46°F).

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

August Precipitation in Williamsburg

In Williamsburg in August, the total precipitation amount is 61 mm (2.4 in), which occurs over a span of 12 days.

August Precipitation Trends in Williamsburg

The chart displays monthly precipitation patterns in Williamsburg, 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 Williamsburg, August typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 12 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 Williamsburg

In Williamsburg in August humidity is 56%. With an average temperature of 19°C (66°F), this humidity feels like a comfortable blanket wrapping around you, making it pleasant for traveling and exploring, as long as you're prepared for a slight stickiness in the air.

August Average Humidity in Williamsburg

This chart illustrates the average monthly humidity levels in Williamsburg, 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 Williamsburg is approximately 56%, 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 Williamsburg

In Williamsburg in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Williamsburg.

Maximum UV Index Levels in Williamsburg for August

The chart shows the monthly maximum UV Index (UVI) for Williamsburg 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 Williamsburg typically reaches 12, which falls under the extreme exposure category.

Data source: Williamsburg 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 Williamsburg Compares to Other Months

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

This table compares monthly weather conditions in Williamsburg, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	17 mm (0.7 inches)	88%	moderate
February Weather	-4°C (25°F)	23 mm (0.9 inches)	87%	high
March Weather	2°C (35°F)	37 mm (1.5 inches)	81%	very high
April Weather	6°C (43°F)	42 mm (1.7 inches)	76%	extreme
May Weather	11°C (52°F)	74 mm (2.9 inches)	66%	extreme
June Weather	18°C (64°F)	44 mm (1.7 inches)	58%	extreme
July Weather	20°C (68°F)	79 mm (3.1 inches)	52%	extreme
August Weather	19°C (66°F)	61 mm (2.4 inches)	56%	extreme
September Weather	16°C (61°F)	39 mm (1.5 inches)	65%	very high
October Weather	7°C (46°F)	28 mm (1.1 inches)	76%	high
November Weather	2°C (36°F)	17 mm (0.7 inches)	82%	moderate
December Weather	-2°C (28°F)	13 mm (0.5 inches)	89%	moderate