Philadelphia Weather Records

Philadelphia, Pennsylvania weather averages and records from 1894–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Philadelphia, Pennsylvania was 107 °F which occurred on July 10, 1936.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Philadelphia, Pennsylvania was -16 °F which occurred on January 19, 1904.
Lowest Temperatures: All-Time By Year
Philadelphia Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 41.3 26.8 74 -16 3.1 7.1
February 44.3 28.3 77 -15 2.8 8.4
March 52.7 35.1 87 -5 4.0 3.6
April 64.7 45.0 95 5 3.5 0.3
May 74.3 55.0 97 25 3.3 0.0
June 83.1 64.7 101 31 4.0 0.0
July 87.8 70.4 107 42 4.4 0.0
August 85.7 68.8 101 38 4.3 0.0
September 78.8 61.7 100 29 4.4 0.0
October 67.1 50.0 96 19 3.5 0.0
November 55.9 39.6 84 10 2.9 0.2
December 46.0 31.9 73 -7 4.0 3.6
Entire year 65.2 48.2 107 -16 44.1 23.2
More Philadelphia Weather Records
1894–2024
Highest daily low 83 °F July 23, 2011
Lowest daily high 0 °F January 13, 1912
Greatest daily range
(Difference of high and low)
54 °F March 4, 1895
Greatest difference in daily high
over two conscutive days
47 °F Jan 6–7, 2014
Most daily precipitation 8.0 inches July 28, 2013
Most monthly precipitation 19.3 inches August 2011
Most yearly precipitation 64.3 inches 2011
Most yearly days with precipitation 161 1911
Earliest snow in season October 10 1979
Latest snow in season May 29 1901
Most daily snow 27.6 inches January 7, 1996
Most monthly snow 51.5 inches February 2010
Most yearly snow 104.6 inches 1910
Most snow in a winter 114.1 inches 1910–1911
Greatest snow accumulation 28.0 inches January 8, 1996
Earliest freeze September 10 1914
Earliest day ≥ 80 °F March 8 2000
Earliest day ≥ 90 °F April 12 1977
Earliest day ≥ 100 °F June 5 1925
Latest freeze June 6 1914
Latest day ≥ 80 °F November 15 1993
Latest day ≥ 90 °F October 10 1939
Latest day ≥ 100 °F September 3 1953
Most days in a year < 0 °F 14 1914
Most days in a year < 32 °F 165 1915
Most days in a year ≥ 80 °F 126 2015
Most days in a year ≥ 90 °F 55 2010
Most days in a year ≥ 100 °F 5 1988
Philadelphia Weather Streaks
Most consecutive days...
With precipitation 11 days Apr 23 – May 3, 1950
Without precipitation 38 days Oct 9 – Nov 15, 1924
With snow 6 days Jan 20–25, 1948
High temperature at or
below freezing
27 days Nov 27 – Dec 23, 1910
High temperature ≥ 80 °F 69 days Jun 10 – Aug 17, 2010
High temperature ≥ 90 °F 18 days Jul 29 – Aug 15, 1988
High temperature ≥ 100 °F 3 days Jul 8–10, 1993
Plant Hardiness Zone
7B
Philadelphia is in plant hardiness zone 7B
based on average yearly minimum temperature from 1991–2020
Facts About Philadelphia Weather
Philadelphia Weather by Year
More Philadelphia Weather
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Weather Station Details
Years Station Coordinates
1941–2024 Philadelphia International Airport location
1916–1940 Philadelphia Naval Yard location
1894–1915 Drexel University location