Historical Weather in Pennsylvania
See 55+ years of weather history for any date in Pennsylvania going back to 1970.
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Monthly Climate Averages
Historical temperature and precipitation averages for Philadelphia, PA, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 88°F / Low: 71°F
Coldest MonthJanuaryAvg High: 41°F / Low: 28°F
Jan
41°/ 28°
💧 9.3"
❄️ 2.0"
Feb
44°/ 30°
💧 8.4"
❄️ 2.4"
Mar
53°/ 37°
💧 10.9"
❄️ 1.7"
Apr
65°/ 47°
💧 9.3"
❄️ 1.5"
May
74°/ 56°
💧 9.1"
Jun
83°/ 65°
💧 11.5"
Jul
88°/ 71°
💧 12.0"
Aug
86°/ 70°
💧 13.4"
Sep
79°/ 62°
💧 13.2"
Oct
67°/ 51°
💧 10.7"
❄️ 0.4"
Nov
56°/ 42°
💧 9.8"
❄️ 2.0"
Dec
46°/ 33°
💧 10.4"
❄️ 1.8"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Climate data based on Philadelphia, the largest city in Pennsylvania.
Pennsylvania All-Time Temperature RecordsSee the hottest and coldest days ever recorded since 1970
→Major Cities in Pennsylvania
Today's Weather History in Pennsylvania
See how today compares to 55+ years of weather data for Pennsylvania cities.