July Weather in West Chester, United States

Last updated: June 24, 2025

In West Chester, United States, the average temperature in July is a warm 26°C (78°F). Expect a comfortable minimum of 14°C (57°F), while highs can soar up to 37°C (98°F). Prepare for some precipitation, with around 144 mm (5.7 in) expected over 14 days. Additionally, the average humidity sits at a moderate 74%, adding a touch of tropical charm to your experience.

July Temperature in West Chester

In July in West Chester, the average temperature is 26°C (78°F). Maximums can reach 37°C (98°F), and minimums can be as low as 14°C (57°F). Be prepared for warm days and cooler evenings, making it an ideal time for outdoor activities and exploration.

July Weather in West Chester: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in West Chester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Chester, July typically has an average temperature of 26°C (78°F), with highs reaching up to 37°C (98°F) and lows dropping to around 14°C (57°F).

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

July Precipitation in West Chester

In West Chester in July, the precipitation amount is 144 mm (5.7 in) over the course of 14 days.

July Precipitation Trends in West Chester

The chart displays monthly precipitation patterns in West Chester, 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 West Chester, July typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 14 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 West Chester

In West Chester in July, humidity is 74%. With an average temperature of 26°C (78°F), this humidity feels like a warm, enveloping blanket that can make traveling feel slightly stifling; it’s important to stay hydrated and take breaks in shaded areas to fully enjoy your adventures.

July Average Humidity in West Chester

This chart illustrates the average monthly humidity levels in West Chester, 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 West Chester is approximately 74%, 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 West Chester

In West Chester 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 West Chester.

Maximum UV Index Levels in West Chester for July

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

Data source: West Chester 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 West Chester Compares to Other Months

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

This table compares monthly weather conditions in West Chester, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	66 mm (2.6 inches)	84%	moderate
February Weather	3°C (38°F)	108 mm (4.3 inches)	83%	moderate
March Weather	6°C (44°F)	107 mm (4.2 inches)	83%	high
April Weather	12°C (54°F)	108 mm (4.3 inches)	81%	very high
May Weather	18°C (64°F)	139 mm (5.5 inches)	78%	very high
June Weather	23°C (73°F)	115 mm (4.5 inches)	79%	very high
July Weather	26°C (78°F)	144 mm (5.7 inches)	74%	very high
August Weather	24°C (76°F)	152 mm (6.0 inches)	72%	very high
September Weather	21°C (70°F)	103 mm (4.0 inches)	75%	very high
October Weather	16°C (61°F)	104 mm (4.1 inches)	81%	high
November Weather	8°C (46°F)	84 mm (3.3 inches)	85%	moderate
December Weather	4°C (39°F)	102 mm (4.0 inches)	84%	low