Philadelphia Weather in July
Thinking of visiting Philadelphia in July? Expect very high temperatures reaching 31°C (88°F) during the day, dropping to 22°C (72°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Philadelphia in July
Past climate data indicates that roughly 11 days will see rain, totalling around 130 mm (5.1 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Philadelphia in July
Daytime highs in Philadelphia in July reach 31°C (88°F), with nights around 22°C (72°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights remain mild at 22°C (72°F), making evenings a pleasant time to be outdoors.Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water. Especially if you find yourself outdoors for a longer period.
Sunshine in Philadelphia in July
There are approximately 275 hours of sunshine this month, resulting in mostly clear days.
Average water temperature in July
At 23°C (73°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you prefer dry days with pleasant temperatures, May typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Philadelphia's climate page.
Philadelphia Temperature in July
Min Temperature
22°C (72°F)
Max Temperature
31°C (88°F)
Water Temperature
23°C (73°F)
Chance of Rain
38%
Precipitation
130 mm (5.1 in)
Rainy days
11 days
Humidity
69%
Sunshine
275 hours
Percentage Sunshine
61%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Philadelphia typically stay consistent throughout July, with daily highs averaging around 31°C (88°F). Nights are warm, with lows typically ranging from 20°C (68°F) to 22°C (72°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Philadelphia in July
Browse day-by-day weather records for Philadelphia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Philadelphia historical weather extremes in July
Our historical data for Philadelphia spans 1976 to 2025, revealing these weather extremes.
- The warmest day in July was on July 22, 2011, with a maximum of 39°C (102°F).
- On July 24, 1997, Philadelphia saw its coldest July day with temperatures maxing out at 18°C (64°F).
- Nighttime temperatures dropped to 12°C (54°F) on July 1, 1988, marking the coldest July night on record.
Best Places in the United States of America in July
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in July →
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What to Wear in Philadelphia in July
Warm but pleasant conditions in Philadelphia in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 23°C (73°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Philadelphia in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Philadelphia's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Philadelphia climate overview or explore weather in the United States of America.
