The Pennsylvania State Climatologist is a service to the Commonwealth by the College of Earth and Mineral Sciences and Penn State.

Division Mean Temperature and Departures from Normal

Temperature data is reported in degrees Farenheit *Values since January 2011 are provisional

Year	January	February	March	April	May	June	July	August	September	October	November	December
Mean	26.8	29.4	38.3	48.2	58.3	66.6	70.7	69.3	62.5	51.1	41.3	31.7
2024	-7.8	8.1	5.9	4.8	6.1	3.1	3.6	2.5	4.8	3.2	5.7
2023								0.7	2.6	4.0	0.0	8.5
2023	10.1	8.2	0.3	4.1	-0.9	-0.7	2.2	0.7	2.6	4.0	0.0	8.5
2022	-2.5	3.0	2.0	-0.2	3.5	2.4	2.8	2.2	2.1	-0.9	2.6	1.2
2021	3.7	-1.1	4.7	1.4	-0.4	2.9	1.4	4.3	3.2	7.6	-1.2	7.6
2020	7.8	4.6	6.6	-1.3	-1.2	1.7	5.8	3.9	1.9	2.6	4.8	1.3
2019	0.5	3.5	-2.9	4.1	5.4	0.6	3.7	1.6	5.3	4.7	-3.7	3.2
2018	-2.1	6.8	-4.1	-4.6	8.5	1.2	1.7	3.1	5.9	4.9	-3.6	3.8
2017	7.1	9.5	-0.8	6.4	0.8	1.2	2.0	-1.2	2.0	7.1	-0.5	0.3
2016	-1.1	4.3	6.9	1.2	0.6	2.2	2.4	5.2	5.6	4.5	3.0	0.3
2015	-1.8	-11.5	-4.0	2.7	5.8	2.4	0.5	0.7	5.1	2.0	6.2	12.3
2014	-6.5	-4.3	-5.9	1.8	2.1	2.3	-1.6	0.0	1.2	3.1	-3.2	4.6
2013	3.8	-1.0	-4.2	2.7	2.6	2.0	1.8	-0.1	-0.4	3.5	-2.2	2.5
2012	4.6	6.1	10.2	0.5	7.3	2.0	4.9	1.3	0.3	1.9	-3.1	6.7
2011	-3.5	1.2	-0.9	3.3	3.0	1.7	4.2	1.7	1.3	0.7	5.9	5.0
2010	-1.9	-5.6	2.6	4.2	2.2	2.6	2.2	2.8	1.5	1.0	-0.5	-7.5
2009	-5.7	0.1	1.3	1.0	0.9	-1.4	-4.0	0.6	0.3	-2.3	4.5	-3.1
2008	2.6	-1.0	-2.1	3.8	-3.6	2.0	0.2	-1.5	1.7	-1.6	-2.6	0.8
2007	5.6	-10.0	2.2	-2.5	3.1	1.1	-2.2	3.1	2.7	7.1	0.0	1.8
2006	10.4	0.6	-1.3	3.7	-1.6	-1.1	1.8	2.4	-1.5	-1.4	2.5	6.5
2005	3.1	2.0	-5.0	2.7	-4.0	3.4	2.6	3.2	3.9	2.0	2.4	-4.5
2004	-5.1	-0.6	2.8	1.0	6.0	-0.7	-0.6	-1.4	2.4	1.4	3.4	1.1
2003	-5.5	-4.4	1.7	2.9	-0.4	-2.1	-0.6	2.0	-0.1	-1.7	4.8	-0.3
2002	6.8	4.1	0.7	2.9	-2.3	2.3	2.9	3.3	3.9	-0.2	-1.8	-3.2
2001	0.5	4.8	-3.9	4.3	1.2	0.4	-2.1	2.7	-1.3	1.0	5.5	6.2
2000	0.8	5.4	5.3	0.8	3.5	2.6	-2.5	-1.1	-0.2	3.1	-2.7	-8.6
1999	2.9	4.4	-4.2	3.1	2.8	2.4	4.8	0.1	1.6	0.4	5.2	1.9
1998	9.5	8.2	3.2	2.2	5.6	0.5	0.1	2.7	3.9	2.0	1.8	5.5
1997	0.8	5.3	2.0	-3.2	-4.8	0.9	0.6	-0.9	-0.7	0.9	-2.4	2.0
1996	-0.2	-0.9	-5.4	0.2	-0.3	3.1	-1.2	0.6	1.0	1.1	-5.4	4.9
1995	3.0	-4.2	2.6	-1.7	-0.3	2.7	2.3	5.5	-0.7	3.5	-4.7	-4.8
1994	-6.7	-1.4	-2.4	3.0	-4.4	3.4	1.5	-1.7	-1.4	-0.8	4.4	4.5
1993	6.3	-3.1	-2.7	0.2	0.9	0.1	2.2	2.4	-0.1	-0.7	0.4	-0.8
1992	2.3	3.5	-2.0	1.1	-1.7	-3.2	0.3	-2.8	-0.1	-2.6	1.0	0.2
1991	1.8	3.9	2.3	3.1	7.1	2.4	2.3	1.7	0.2	2.0	-2.0	3.0
1990	8.8	6.7	2.9	1.0	-2.5	-0.2	-0.8	-0.7	-0.3	2.4	2.9	4.9
1989	7.2	-1.5	1.3	-3.3	-2.9	0.4	0.9	-0.8	-0.4	0.4	-2.0	-14.0
1988	-2.4	-1.1	-0.4	-0.8	0.4	-1.2	2.8	2.9	-1.9	-6.3	1.2	-1.1
1987	-0.3	0.2	1.9	0.3	2.3	2.2	2.7	0.2	0.2	-5.4	2.7	2.4
1986	-0.1	0.9	0.1	2.9	1.5	-0.4	0.5	-2.6	1.7	1.5	-1.8	0.3
1985	-5.7	-3.5	1.4	4.4	0.7	-3.6	-1.9	-1.3	0.6	1.9	5.3	-5.8
1984	-5.1	5.2	-8.0	-1.3	-4.2	0.6	-3.8	-0.4	-3.4	5.3	-2.9	6.2
1983	2.0	1.8	1.1	-2.7	-3.6	-0.3	0.0	1.9	-0.1	0.8	0.5	-6.8
1982	-6.2	-1.0	-0.5	-4.0	4.1	-3.6	-0.3	-4.1	-1.5	1.2	2.8	6.8
1981	-6.5	1.1	-4.4	2.4	-1.5	-0.3	-1.0	-2.2	-1.9	-3.0	-2.2	-3.0
1980	0.0	-6.1	-3.9	-1.3	0.1	-3.7	-0.3	2.3	1.8	-3.8	-3.4	-3.4
1979	-4.5	-11.9	2.8	-0.5	-1.5	-1.7	-2.1	-1.1	-0.4	-1.4	2.1	1.8
1978	-6.9	-12.3	-4.9	-0.6	-1.5	-0.9	-1.4	1.3	2.3	-2.4	1.6	0.7
1977	-14.5	-3.2	4.5	2.4	4.1	-3.1	1.4	-0.1	2.1	-1.8	2.6	-2.7
1976	-3.2	6.7	6.4	1.3	-3.3	1.8	-3.5	-3.5	-3.4	-5.3	-8.0	-7.4
1975	4.9	1.9	-2.5	-5.2	3.8	0.7	-0.1	2.2	-3.7	2.4	4.1	0.8
1974	7.1	-0.1	2.0	1.3	-0.9	-2.5	-0.9	0.1	-3.2	-2.7	1.1	0.0
1973	2.9	-1.4	8.2	0.4	-3.1	2.6	0.3	1.9	1.9	3.5	1.6	0.9
1972	3.2	-4.1	-2.6	-1.2	1.7	-4.3	-0.6	-0.6	1.6	-3.6	-2.7	4.6
1971	-2.7	0.3	-4.8	-3.2	-3.4	2.9	-1.9	-2.0	4.1	6.8	-1.2	6.6
1970	-6.7	-2.2	-4.2	2.3	4.2	0.4	-0.1	0.9	4.1	3.5	1.7	1.0
1969	-0.6	-0.2	-4.7	2.8	1.2	1.0	0.7	-0.4	-0.3	0.3	-2.4	-5.8
1968	-4.2	-6.6	2.0	2.9	-4.3	-0.2	1.0	1.8	1.1	1.5	0.6	-3.8
1967	5.5	-4.2	0.7	2.3	-5.5	3.6	-1.4	-1.9	-3.4	0.0	-4.9	2.0
1966	-3.9	-0.5	1.7	-2.0	-3.4	0.5	1.9	-0.2	-3.1	-2.1	0.9	-1.1
1965	-0.3	-0.8	-4.6	-0.9	5.5	-0.7	-1.7	-0.5	3.0	-1.8	0.7	4.5
1964	2.2	-3.8	0.6	1.9	2.5	0.6	1.1	-2.7	-0.1	-2.6	3.0	1.9
1963	-4.6	-9.0	2.2	0.3	-1.7	-0.1	-1.0	-3.1	-2.7	5.3	2.2	-9.3
1962	-1.1	0.2	-2.1	-1.0	5.7	1.6	-1.6	0.0	-3.5	1.6	-1.7	-6.5
1961	-4.6	2.9	2.4	-5.1	-4.4	-1.6	-0.4	1.0	5.1	2.9	0.7	-0.8
1960	4.4	-0.5	-12.9	4.9	-1.0	-0.2	-2.5	1.8	2.9	0.4	0.8	-8.4
1959	-1.8	1.6	-1.9	2.0	4.7	0.8	1.4	4.4	3.8	2.2	-2.2	2.5
1958	-0.4	-7.7	-3.5	1.5	-1.4	-3.5	1.2	-1.1	-0.4	0.2	2.2	-9.2
1957	-2.3	5.3	0.1	3.3	1.9	3.2	-0.2	-0.9	1.3	-2.8	0.3	2.7
1956	-0.3	3.8	-1.9	-2.1	-1.0	0.4	-0.9	-0.5	-2.8	4.1	0.1	7.1
1955	-0.8	1.1	1.6	6.2	2.5	-3.3	4.6	4.0	1.9	1.7	-3.3	-3.7
1954	2.4	6.2	-2.0	6.2	-3.0	1.6	-0.6	-0.7	2.0	3.3	-1.2	-1.9
1953	7.6	4.2	1.7	-1.7	4.4	2.7	1.0	0.6	0.4	2.3	0.6	2.5
1952	6.7	3.9	-1.4	1.4	-1.4	3.6	3.1	0.3	0.0	-3.8	1.7	1.8
1951	4.4	2.6	-0.3	-1.0	1.3	1.4	0.3	-0.6	-0.6	3.6	-6.3	0.5
1950	13.2	1.4	-4.7	-4.1	1.0	-0.9	-2.6	-1.5	-2.4	3.6	-4.3	-6.2
1949	9.8	6.9	-0.6	-1.4	1.2	3.4	3.9	1.1	-3.9	5.6	-1.3	2.6
1948	-6.7	1.3	3.7	4.6	-0.8	0.3	0.3	-0.6	0.7	-2.4	3.5	1.1
1947	7.9	-8.5	-8.2	1.7	-1.7	-0.6	-2.7	4.8	1.5	7.3	-3.5	-1.9
1946	3.4	1.2	9.8	-1.2	-0.2	-0.3	-0.4	-4.3	1.5	4.3	2.9	2.7
1945	-5.2	1.4	10.3	4.5	-3.2	-0.2	0.6	0.0	3.6	-0.5	0.3	-6.7
1944	4.4	1.6	-2.8	-1.9	7.7	3.6	0.5	1.2	0.5	0.3	0.3	-5.2
1943	3.3	1.3	-0.8	-5.0	2.2	6.7	1.2	0.5	-1.7	-1.7	-3.4	-3.5
1942	1.4	-4.3	2.0	4.5	3.8	3.0	1.4	0.1	0.8	3.3	0.7	-4.0
1941	1.6	-3.9	-7.7	5.8	1.3	1.9	2.2	-1.1	3.4	5.9	1.9	5.2
1940	-9.9	-0.4	-5.5	-3.0	-0.2	1.8	0.6	0.3	-2.0	0.1	-0.7	6.4
1939	5.1	4.4	1.3	-2.5	3.4	3.2	-0.7	2.3	4.4	3.3	-2.2	2.5
1938	2.4	6.8	6.0	2.7	0.3	-0.9	2.0	3.3	-0.1	2.2	1.1	0.1
1937	10.9	1.3	-4.9	-1.5	0.6	1.9	0.3	3.6	-1.7	-0.8	-2.4	-3.2
1936	-4.2	-7.5	3.0	-4.1	3.3	1.4	2.0	4.0	4.4	2.7	-3.6	2.9
1935	2.3	0.2	5.9	-2.4	-3.1	-0.2	3.4	1.3	-0.5	1.4	1.6	-7.1
1934	5.3	-11.5	-4.1	0.1	3.4	6.7	4.7	-0.7	3.7	1.2	3.1	-1.5
1933	10.2	1.5	-2.7	1.4	3.7	3.6	1.3	0.9	4.5	0.7	-3.4	2.2
1932	13.5	6.9	-6.2	-1.7	1.3	2.2	0.9	1.2	2.6	2.6	-2.3	1.8
1931	3.7	2.7	-4.5	-0.9	0.3	1.0	3.9	0.7	5.5	3.8	7.6	7.1
1930	2.5	6.8	-1.3	1.0	2.3	1.3	2.3	0.5	4.8	-1.4	0.3	-2.1
1929	-0.1	-3.4	5.3	3.0	-0.6	0.1	0.7	-2.6	2.6	-0.4	-1.5	0.9
1928	1.9	0.7	-1.2	-3.4	-1.2	-1.9	1.5	3.2	-2.7	4.1	1.2	1.6
1927	1.0	6.6	3.8	-0.2	0.2	-3.4	0.7	-4.5	2.8	4.3	4.5	0.5
1926	-0.1	0.3	-6.1	-5.1	0.3	-2.9	0.8	2.5	2.7	1.2	-1.4	-2.9
1925	-0.5	6.3	1.8	3.1	-4.4	4.5	-0.2	-0.2	5.9	-5.2	-2.3	-2.2
1924	-0.6	-2.5	-3.4	-1.8	-5.3	-0.8	-1.6	0.2	-3.4	1.9	-0.6	-2.3
1923	3.9	-4.8	-1.0	-1.4	-0.9	3.4	0.3	-0.7	1.9	-1.1	-1.1	8.0
1922	-1.4	4.1	2.3	1.8	3.6	2.4	1.0	-1.4	3.8	3.0	1.0	0.7
1921	5.0	3.6	10.3	5.3	1.1	4.4	4.2	-1.4	6.5	1.2	1.3	1.0
1920	-5.2	-3.8	0.6	-3.6	-2.0	-0.2	-1.8	-0.3	2.0	5.6	-1.8	1.5
1919	4.7	2.1	2.4	-0.4	0.2	5.1	1.7	-1.4	1.8	7.2	-0.4	-6.0
1918	-11.6	0.0	4.3	-1.3	6.6	-0.4	-1.6	4.3	-4.9	4.0	0.0	6.0
1917	0.9	-4.3	-0.6	-0.5	-5.6	-0.7	0.4	0.3	-3.3	-4.8	-4.2	-10.5
1916	8.3	-3.8	-5.9	-0.8	2.6	-3.4	3.1	2.1	-0.7	0.5	-0.3	-2.9
1915	0.4	4.7	-7.2	4.5	-2.0	-1.4	-0.5	-2.5	3.7	3.1	1.7	-2.0
1914	4.7	-7.6	-4.6	-1.0	2.1	2.6	0.9	1.1	-1.2	4.8	-0.7	-4.6
1913	9.9	-2.5	3.1	0.7	-0.2	1.4	0.6	1.0	-0.3	2.3	1.8	1.6
1912	-8.5	-7.2	-4.5	2.1	2.4	-1.6	-0.3	-2.7	3.6	2.6	0.4	2.3
1911	5.8	3.7	-3.0	-2.6	6.4	1.9	2.0	1.8	3.1	1.6	-3.9	4.6
1910	0.6	-3.4	7.6	2.3	-3.2	-1.9	1.3	0.0	3.0	4.4	-5.6	-6.5
1909	5.8	6.5	-2.4	-0.6	-0.1	2.2	-1.4	-0.2	-0.3	-3.3	5.9	-5.7
1908	0.9	-3.9	4.2	1.0	2.5	1.6	2.4	-0.5	3.3	2.5	-0.2	0.9
1907	5.5	-5.1	6.0	-6.3	-3.5	-3.5	0.2	-2.2	1.9	-3.5	-2.0	2.1
1906	8.5	-2.1	-6.7	1.4	1.4	2.3	0.1	3.4	4.9	0.6	-0.2	0.2
1905	-4.5	-9.5	2.5	-0.7	2.4	1.5	1.2	-0.2	1.3	1.1	-2.6	1.3
1904	-5.7	-7.1	-0.6	-4.9	1.9	1.0	-0.5	-2.2	1.6	-0.2	-2.3	-4.6
1903	0.2	0.7	8.8	-0.6	3.4	-3.5	0.2	-1.5	0.7	1.4	-5.3	-7.9
1902	-0.8	-7.2	1.9	-1.8	2.4	-1.0	1.3	-2.1	0.0	1.6	6.0	-2.6
1901	2.7	-8.5	-0.3	-2.7	0.5	2.3	5.2	2.0	0.6	0.8	-5.2	-3.1
1900	3.3	-3.5	-6.5	-0.1	1.9	3.1	2.7	5.0	5.9	7.4	0.9	-1.7
1899	0.5	-8.2	-1.3	2.4	3.1	2.9	0.7	1.8	-0.8	3.6	0.5	-1.4

Mailing Address:

Pennsylvania State Climatologist
503 Walker Building
University Park, PA 16802

Online:

Data Request Form

E-mail:

psc@meteo.psu.edu

Phone:

814-865-8732