Philadelphia Climate

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Records and Averages from the National Weather Service

Philadelphia	Allentown	Atlantic City	Mount Pocono
Reading	Trenton	Wilmington	Washington, DC
Baltimore	New York City

Philadelphia's Daily Temperature, Precipitation, and Snowfall By Year

1874	1875	1876	1877	1878	1879
1880	1881	1882	1883	1884	1885
1886	1887	1888	1889	1890	1891
1892	1893	1894	1895	1896	1897
1898	1899	1900	1901	1902	1903
1904	1905	1906	1907	1908	1909
1910	1911	1912	1913	1914	1915
1916	1917	1918	1919	1920	1921
1922	1923	1924	1925	1926	1927
1928	1929	1930	1931	1932	1933
1934	1935	1936	1937	1938	1939
1940	1941	1942	1943	1944	1945
1946	1947	1948	1949	1950	1951
1952	1953	1954	1955	1956	1957
1958	1959	1960	1961	1962	1963
1964	1965	1966	1967	1968	1969
1970	1971	1972	1973	1974	1975
1976	1977	1978	1979	1980	1981
1982	1983	1984	1985	1986	1987
1988	1989	1990	1991	1992	1993
1994	1995	1996	1997	1998	1999
2000	2001	2002	2003	2004	2005
2006	2007	2008

Data also available by sortable spreadsheet (this will be updated every few months).

Philadelphia Monthly Climate Data By Year (Modern Era)

Sortable excel file of monthly temperature, precipitation, and snowfall from 1872-2009.

Philadelphia Pre-Modern Monthly Climate Data

Temperature (1825-1869) | Precipitation (1829-1869)

Climate Firsts, Lasts, and Dates of Note

100 Degree Highs	Below Zero Lows	Greatest One-Day Snow	Greatest One-Day Rain
Largest One-Day Temp. Swing	90 Degree Days By Year	Ten Earliest 90 Degree Days	Latest 90 Degree Days
October Snowfall	April Snowfall	Winter NAO Temp-Snow Stats	Christmas Weather

Winter Data:




Sundry Miscellaneous Data:

Sunrise/Sunset Data for Philadelphia

Resources used for climate section.

Climate Information from NWS Philadelphia--daily temperature, precip, and snowfall data from 1997 to present.

Weather Underground provides hourly weather information for Philadelphia International going back into the 1950's. Click on the link, scroll down to 'detailed history and climate', select your date, and hit 'go.' For other locations, click on the link and then select your zip code at the top before scrolling down.

The Franklin Institute has weather data from 1872 to 2001, including weather by day, annual snowfall, and temperature information.

Additional thanks to the staff of the National Weather Service in Mount Holly for providing the historical monthly data and to Andy Rice for his efforts in databasing the daily data.