Philadelphia in July
In July, Philadelphia averages 30°C (87°F) during the day and 21°C (70°F) at night, with frequent rain — about 19 days of the month see precipitation (123 mm total).
High seasonConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
July is one of the wetter and less comfortable months in Philadelphia. If your dates are flexible, consider a different time of year.
How July compares to the rest of the year in Philadelphia
July is one of the warmest months in Philadelphia (1st of 12) and one of the wettest months (1st of 12). Daytime temperature runs 12°C above the annual average (18°C). July runs 3°C warmer than June (28°C) and cools 1°C in August (29°C).
July sunrise & sunset in Philadelphia
Times shown for Philadelphia local time (America/New_York), calculated for the 15th of July. They shift by a few minutes day to day across the month.
Photography light in Philadelphia — July
Golden-hour and blue-hour windows for the 15th of July, in Philadelphia's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Philadelphia in July
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on July's tier (High season) and Philadelphia's popularity.
Crowds & pricing — July in Philadelphia
This is a busy month in Philadelphia — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: Northern Hemisphere summer holidays
Sun & mosquito risk — July in Philadelphia
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Philadelphia in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 5°C / 41°F | -3°C / 26°F | 83 mm | 14 | — |
| February | 7°C / 45°F | -2°C / 28°F | 96 mm | 14 | — |
| March | 11°C / 52°F | 1°C / 34°F | 101 mm | 15 | — |
| April | 17°C / 63°F | 7°C / 44°F | 106 mm | 17 | — |
| May | 23°C / 73°F | 13°C / 55°F | 108 mm | 17 | — |
| June | 28°C / 82°F | 18°C / 64°F | 107 mm | 17 | — |
| July | 30°C / 87°F | 21°C / 70°F | 123 mm | 19 | — |
| August | 29°C / 85°F | 20°C / 68°F | 106 mm | 18 | — |
| September | 26°C / 79°F | 17°C / 62°F | 101 mm | 14 | — |
| October | 20°C / 67°F | 11°C / 51°F | 106 mm | 15 | — |
| November | 13°C / 55°F | 4°C / 38°F | 79 mm | 11 | — |
| December | 8°C / 47°F | 0°C / 33°F | 111 mm | 12 | — |
Other cities with similar July weather
🌍 See the full ranked list of climate twins for Philadelphia in July →
Frequently asked questions
How hot is Philadelphia in July?
In July, Philadelphia averages a high of 30°C (87°F) and a low of 21°C (70°F) — generally hot.
Does it rain a lot in Philadelphia in July?
July is quite rainy in Philadelphia, with about 19 rainy days on average.
Is July a good time to visit Philadelphia?
July is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Philadelphia in July?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full July packing list for Philadelphia for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.