Philadelphia - Highest Temperature for Each Year





Here's where you'll find answers to questions about the highest temperatures and hottest days in Philadelphia, Pennsylvania. How hot did it get in 2018? When was the last time thermometers in Philadelphia rose above 100 °F? What was the highest temperature in Philadelphia five decades ago? Answers to those questions and much more can be found quickly and easily in the list below of record high temperatures.

This page gives the highest temperature for each year in Philadelphia and the date that it happened. A date with a plus sign means it was that hot on at least one other day earlier that year.

These records go back to 1921, with just a few years missing data. The highest temperature measured during that time was 104 degrees Fahrenheit (40 Celsius) on July 3, 1966 and July 10, 1936.

Since 1948 the temperature extremes were observed at Philadelphia International Airport. Before then, the weather station was on the northern outskirts of the city.

Highest Philadelphia temperatures in recent years
Max °F Date Max °C
98 July 03, 2018 37
96 July 19, 2017 + 36
98 August 13, 2016 37
96 September 03, 2015 36
96 July 02, 2014 36
98 July 18, 2013 37
101 July 07, 2012 38
103 July 22, 2011 39
103 July 07, 2010 39
Highest temperature recorded at Philadelphia each year
Max °F Date Max °C
95 August 21, 2009 + 35
98 June 10, 2008 37
97 August 08, 2007 36
98 August 03, 2006 + 37
98 July 27, 2005 37
93 July 05, 2004 34
97 June 26, 2003 36
99 August 14, 2002 + 37
101 August 09, 2001 38
94 June 11, 2000 + 34
100 July 05, 1999 38
95 June 26, 1998 35
98 August 16, 1997 + 37
94 May 20, 1996 34
103 July 15, 1995 39
100 June 19, 1994 + 38
101 July 10, 1993 38
97 July 14, 1992 36
100 June 16, 1991 38
97 July 05, 1990 36
94 September 10, 1989 + 34
102 July 17, 1988 + 39
97 August 04, 1987 + 36
98 July 07, 1986 37
93 August 14, 1985 34
94 June 10, 1984 + 34
99 August 20, 1983 + 37
94 July 26, 1982 + 34
95 July 19, 1981 35
99 July 21, 1980 37
94 July 13, 1979 34
99 July 23, 1978 37
100 July 21, 1977 38
94 April 18, 1976 34
99 August 02, 1975 37
95 July 09, 1974 + 35
99 August 28, 1973 37
96 August 26, 1972 36
96 July 08, 1971 36
95 September 24, 1970 + 35
94 June 28, 1969 34
97 August 25, 1968 36
93 July 24, 1967 + 34
104 July 03, 1966 40
94 June 23, 1965 34
100 June 30, 1964 38
97 July 01, 1963 + 36
96 May 19, 1962 36
93 July 22, 1961 34
92 April 25, 1960 33
97 June 30, 1959 + 36
93 July 31, 1958 34
101 July 21, 1957 38
95 June 15, 1956 + 35
100 August 06, 1955 + 38
102 July 31, 1954 39
101 August 31, 1953 38
100 June 26, 1952 38
95 July 27, 1951 35
93 July 31, 1950 + 34
99 July 05, 1949 37
100 August 26, 1948 38
95 August 15, 1947 35
98 July 20, 1946 + 37
97 June 30, 1945 + 36
97 August 04, 1944 + 36
96 June 25, 1943 36
96 July 19, 1942 36
97 July 28, 1941 + 36
99 July 28, 1940 + 37
95 September 08, 1939 + 35
94 August 15, 1938 34
98 July 11, 1937 37
104 July 10, 1936 40
94 July 21, 1935 + 34
100 June 30, 1934 38
99 August 02, 1933 + 37
96 September 02, 1932 36
99 July 02, 1931 37
100 July 21, 1930 38
95 July 29, 1929 35
95 August 06, 1928 + 35
1927
99 July 23, 1926 + 37
98 June 07, 1925 + 37
96 August 07, 1924 36
99 June 21, 1923 37
1922
96 July 04, 1921 + 36
Reference

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

Philadelphia - Extremes
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