July Weather in Williamsburg, United States

Last updated: June 24, 2025

In July, the average temperature in Williamsburg, United States hovers around 25°C (77°F). Expect minimums dipping to 15°C (59°F) and maximums reaching up to 34°C (94°F). Weather-wise, you're looking at about 111 mm (4.4 in) of precipitation spread over roughly 12 days, with the air carrying a humid touch at an average of 81%.

July Temperature in Williamsburg

In July in Williamsburg, the average temperature is 25°C (77°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 15°C (59°F). This pleasant climate makes it an ideal time for outdoor activities and sightseeing.

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

The chart illustrates July 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, July typically has an average temperature of 25°C (77°F), with highs reaching up to 34°C (94°F) and lows dropping to around 15°C (59°F).

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

July Precipitation in Williamsburg

In Williamsburg, in July, the precipitation amount is 111 mm (4.4 in) over a span of 12 days.

July Precipitation Trends in Williamsburg

The chart displays monthly precipitation patterns in Williamsburg, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Williamsburg, July typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Williamsburg

In Williamsburg in July, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

July Average Humidity in Williamsburg

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

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

July UV Index in Williamsburg

In Williamsburg in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Williamsburg.

Maximum UV Index Levels in Williamsburg for July

The chart shows the monthly maximum UV Index (UVI) for Williamsburg in July, 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 July, the maximum UV index in Williamsburg typically reaches 10, which falls under the very high exposure category.

Data source: Williamsburg July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	87 mm (3.4 inches)	88%	moderate
February Weather	3°C (38°F)	122 mm (4.8 inches)	88%	moderate
March Weather	7°C (46°F)	139 mm (5.5 inches)	87%	high
April Weather	12°C (55°F)	141 mm (5.5 inches)	85%	very high
May Weather	19°C (66°F)	136 mm (5.4 inches)	81%	very high
June Weather	23°C (73°F)	150 mm (5.9 inches)	82%	very high
July Weather	25°C (77°F)	111 mm (4.4 inches)	81%	very high
August Weather	24°C (75°F)	84 mm (3.3 inches)	73%	very high
September Weather	21°C (70°F)	101 mm (4.0 inches)	73%	very high
October Weather	15°C (59°F)	103 mm (4.0 inches)	78%	high
November Weather	7°C (44°F)	100 mm (3.9 inches)	89%	moderate
December Weather	4°C (39°F)	122 mm (4.8 inches)	87%	moderate