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Philadelphia climate
Typical historical weather for Philadelphia, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Philadelphia.
Annual average
18.8°C
across all months
Warmest month
32.7°C
Jul average high
Coolest month
3.1°C
Jan average low
Annual rainfall
1377mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
39.4°C
18 August 2024
Coldest day
-13.4°C
17 January 2018
Wettest day
99.2mm
11 April 2016
Windiest day
7.7m/s
30 August 2021
See the detail: Philadelphia on 11 April 2016.