July Weather in Williamsburg, United States

Last updated: June 24, 2025

In July, the average temperature in Williamsburg, United States hovers around 20°C (68°F), providing a comfortable climate. Expect a minimum of 7°C (45°F) and a maximum of 34°C (94°F), offering a delightful range for outdoor activities. However, be prepared for some rain, as 79 mm (3.1 in) of precipitation falls over 17 days. With an average humidity of 52%, it’s a perfect blend of warmth and moisture for an enjoyable stay.

July Temperature in Williamsburg

In July in Williamsburg, the average temperature is 20°C (68°F). Maximums can reach 34°C (94°F) and minimums can be as low as 7°C (45°F). This makes Williamsburg an ideal destination for travelers seeking a pleasant climate with a mix of warm days and cooler evenings.

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 20°C (68°F), with highs reaching up to 34°C (94°F) and lows dropping to around 7°C (45°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 total precipitation amount is 79 mm (3.1 in), occurring over a span of 17 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 79 mm (3.1 inches) of precipitation spread over approximately 17 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Williamsburg

In Williamsburg in July, humidity is 52%. With an average temperature of 20°C (68°F), this humidity feels like a comfortable, refreshing embrace, making it ideal for exploring the sights without feeling overly sticky or drained.

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 52%, 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 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 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 12, which falls under the extreme 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	-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