July Weather in Philadelphia, United States

Last updated: June 24, 2025

In July, the average temperature in Philadelphia, United States is a pleasant 26°C (80°F). However, be prepared for a temperature range that can drop to a minimum of 16°C (62°F) and soar up to a maximum of 36°C (96°F). Expect some rain during your stay, with average precipitation at 111 mm (4.4 in) over 14 days. Humidity levels are typically high, averaging around 83%, so make sure to stay hydrated!

July Temperature in Philadelphia

In July in Philadelphia, the average temperature is 26°C (80°F), with a maximum that can reach 36°C (96°F) and a minimum that can drop to as low as 16°C (62°F). This pleasant climate makes it an ideal destination for those looking to enjoy outdoor activities and explore the beauty of Philadelphia.

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

The chart illustrates July temperature patterns in Philadelphia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Philadelphia, July typically has an average temperature of 26°C (80°F), with highs reaching up to 36°C (96°F) and lows dropping to around 16°C (62°F).

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

July Precipitation in Philadelphia

In Philadelphia in July, the precipitation amount is 111 mm (4.4 in) during 14 days, indicating a significant amount of rainfall for that period.

July Precipitation Trends in Philadelphia

The chart displays monthly precipitation patterns in Philadelphia, 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 Philadelphia, July typically receives around 111 mm (4.4 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 Philadelphia

In Philadelphia in July humidity is 83%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable; you may find yourself needing frequent breaks for hydration and cool shade as the thick air clings to your skin.

July Average Humidity in Philadelphia

This chart illustrates the average monthly humidity levels in Philadelphia, 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 Philadelphia is approximately 83%, 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 Philadelphia

In Philadelphia in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Philadelphia.

Maximum UV Index Levels in Philadelphia for July

The chart shows the monthly maximum UV Index (UVI) for Philadelphia 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 Philadelphia typically reaches 11, which falls under the extreme exposure category.

Data source: Philadelphia 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 Philadelphia Compares to Other Months

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

This table compares monthly weather conditions in Philadelphia, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	99 mm (3.9 inches)	86%	moderate
February Weather	8°C (47°F)	176 mm (6.9 inches)	86%	high
March Weather	12°C (53°F)	160 mm (6.3 inches)	86%	very high
April Weather	15°C (60°F)	141 mm (5.5 inches)	82%	very high
May Weather	21°C (70°F)	113 mm (4.4 inches)	85%	extreme
June Weather	24°C (76°F)	107 mm (4.2 inches)	85%	extreme
July Weather	26°C (80°F)	111 mm (4.4 inches)	83%	extreme
August Weather	26°C (78°F)	119 mm (4.7 inches)	76%	very high
September Weather	24°C (75°F)	92 mm (3.6 inches)	76%	very high
October Weather	18°C (65°F)	118 mm (4.6 inches)	80%	high
November Weather	10°C (50°F)	79 mm (3.1 inches)	88%	moderate
December Weather	8°C (46°F)	137 mm (5.4 inches)	88%	moderate