July Weather in Williamstown, United States

Last updated: June 24, 2025

In July, the average temperature in Williamstown, United States hovers around 25°C (76°F). Expect a comfortable range with minimums dipping to 14°C (57°F) and maximums rising to a warm 36°C (96°F). During this month, you'll see an average precipitation of 152 mm (6.0 in) spread over 13 days, while humidity remains at a moderate 65%. Perfect for enjoying diverse outdoor activities!

July Temperature in Williamstown

In July in Williamstown, the average temperature is 25°C (76°F). Maximums can reach 36°C (96°F), and minimums can be as low as 14°C (57°F). This makes Williamstown an ideal destination for travelers seeking warm weather and pleasant evenings.

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

The chart illustrates July temperature patterns in Williamstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williamstown, July typically has an average temperature of 25°C (76°F), with highs reaching up to 36°C (96°F) and lows dropping to around 14°C (57°F).

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

July Precipitation in Williamstown

In Williamstown in July, the precipitation amount is 152 mm (6.0 in) occurring over 13 days.

July Precipitation Trends in Williamstown

The chart displays monthly precipitation patterns in Williamstown, 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 Williamstown, July typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 13 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 Williamstown

In Williamstown in July, humidity is 65%. With an average temperature of 25°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities somewhat uncomfortable, requiring frequent breaks and plenty of hydration while traveling.

July Average Humidity in Williamstown

This chart illustrates the average monthly humidity levels in Williamstown, 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 Williamstown is approximately 65%, 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 Williamstown

In Williamstown 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 Williamstown.

Maximum UV Index Levels in Williamstown for July

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

Data source: Williamstown 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 Williamstown Compares to Other Months

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

This table compares monthly weather conditions in Williamstown, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	74 mm (2.9 inches)	87%	moderate
February Weather	1°C (35°F)	107 mm (4.2 inches)	85%	moderate
March Weather	5°C (41°F)	98 mm (3.8 inches)	85%	high
April Weather	11°C (52°F)	110 mm (4.4 inches)	83%	very high
May Weather	17°C (62°F)	127 mm (5.0 inches)	75%	very high
June Weather	21°C (71°F)	106 mm (4.2 inches)	73%	very high
July Weather	25°C (76°F)	152 mm (6.0 inches)	65%	very high
August Weather	23°C (74°F)	140 mm (5.5 inches)	62%	very high
September Weather	20°C (68°F)	115 mm (4.5 inches)	66%	very high
October Weather	14°C (58°F)	114 mm (4.5 inches)	79%	high
November Weather	6°C (43°F)	98 mm (3.9 inches)	87%	moderate
December Weather	2°C (36°F)	94 mm (3.7 inches)	85%	low