Weather in Philadelphia in July 2025
- July is usually the hottest month of the year in Philadelphia;
Average weather
Average temperature in Philadelphia in July
The temperature in July is +31°C on average, with a range between a maximum of +35°C during the day and a minimum of +19°C at night.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +30°C to +30°C.
Is Philadelphia warm or cold in July?
Philadelphia is typically warm in July.
Maximum temperatures go up compared to the previous month from +28°C to +30°C. The minimum temperature also goes up from +18°C to +21°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
July is the hottest month in Philadelphia, here is the comparison with other months:
Climate in Philadelphia in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +30°C | +29°C | ||||
| Min. temperature | ||||||
| +8°C | +11°C | +9°C | ||||
| Max. temperature | ||||||
| +38°C | +40°C | +38°C | ||||
| Rainfall | ||||||
| 99 mm | 102 mm | 96 mm | ||||
| Wind | ||||||
| 3 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 67% | 69% | 71% | ||||
| Air pressure | ||||||
| 1014 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 4 | 4 | 5 | ||||
| Cloudy days | ||||||
| 11 | 11 | 10 | ||||
| Rainy days | ||||||
| 15 | 16 | 15 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as good as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +28°C to +30°C during the day. Prepare for more rain. Average rainfall goes from 99 mm to 102 mm. Humidity rises from 67% to 69%. Winds are calmer in comparison to June, going down from 3 m/s to 2 m/s on average. The amount of sunny days stay about the same, averaging 4 sunny days during the month.
August brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Philadelphia is gradually increasing during July, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last July in Philadelphia?
Climate Change over Years
The climate in Philadelphia in July has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+17°C) and the highest in 2012 (+20°C). The driest year was 2001 with only 685 mm of rainfall, and the wettest year was 2023 with 1758 mm.
FAQ
Is July a good time to visit Philadelphia?
Can you sunbathe in Philadelphia in July?
Is Philadelphia rainy in July?
Is it sunny in Philadelphia in July?
Other cities in USA
Monthly weather in Philadelphia
Source of the data
For this page, we’ve looked at the typical weather in Philadelphia, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.