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	22.6	24.8	33.2	44.4	55.3	63.6	68.0	66.3	58.9	47.9	38.2	27.7
2024	-7.6	6.6	4.7
2023								-0.9	3.0	5.3	-1.8	7.6
2023	10.3	5.1	-0.3	4.0	-2.8	-0.6	2.1	-0.9	3.0	5.3	-1.8	7.6
2022	-4.3	3.0	0.8	0.1	2.8	0.6	1.7	3.6	2.6	-1.3	1.4	1.2
2021	3.7	-1.9	3.1	1.8	-0.1	3.7	1.0	4.3	3.1	7.4	-1.6	6.1
2020	7.9	4.2	4.4	-3.5	-1.2	0.7	5.3	3.6	1.8	2.9	4.2	1.3
2019	-0.9	1.4	0.3	2.4	2.2	0.0	3.3	0.2	2.8	2.8	-3.9	2.4
2018	-3.7	7.5	-3.6	-5.0	6.3	-1.1	3.0	4.3	5.8	4.0	-5.0	2.8
2017	6.5	6.0	-2.7	6.8	0.4	-0.8	1.9	-1.5	3.3	5.7	-1.7	-0.6
2016	0.2	4.8	5.4	-1.5	-1.4	0.5	3.2	4.5	4.0	0.8	0.4	1.1
2015	-4.5	-12.8	-6.6	-1.4	4.9	0.8	-0.1	0.0	6.0	0.2	4.5	12.1
2014	-5.1	-6.3	-7.7	-0.1	1.4	1.5	-0.7	-1.7	2.0	3.1	-3.4	3.3
2013	3.3	-0.9	-2.4	0.3	1.6	1.6	3.6	0.1	-0.6	4.3	-4.0	0.2
2012	5.1	6.9	9.2	0.1	6.2	1.0	4.3	1.7	1.1	3.4	-2.4	5.9
2011	-2.6	-1.5	-3.5	1.6	3.2	2.5	4.3	0.7	3.8	0.9	5.6	5.2
2010	0.7	0.0	5.7	5.5	2.7	2.9	3.2	2.2	1.8	1.3	0.0	-3.3
2009	-6.9	1.3	0.8	2.0	-0.1	-1.3	-3.3	1.9	-0.3	-1.8	3.7	0.0
2008	4.0	-0.6	-2.5	4.1	-4.2	3.2	0.7	-2.0	1.6	-1.8	-1.6	-0.1
2007	5.0	-8.5	-1.6	-3.5	0.7	2.0	-1.8	1.5	2.5	7.2	-1.2	0.0
2006	8.7	1.9	-0.7	2.1	-0.4	0.4	2.1	0.6	-1.3	-1.8	3.5	7.9
2005	-1.5	1.0	-5.6	1.5	-4.9	4.5	2.4	3.8	3.4	1.2	2.6	-3.9
2004	-6.8	-2.6	2.8	0.4	5.9	-1.8	-1.1	0.3	3.2	0.0	1.7	0.3
2003	-6.3	-5.0	-1.0	-1.3	-1.5	-12.2	-0.2	3.0	0.6	-2.3	4.2	0.8
2002	7.3	6.5	1.5	2.5	-3.0	2.1	2.1	3.3	4.2	-1.1	-1.8	-3.0
2001	1.5	2.6	-3.6	0.7	1.5	1.3	-2.2	3.6	-0.6	2.1	5.3	6.3
2000	-1.2	2.1	6.1	0.1	2.1	1.1	-2.6	-8.1	-0.7	1.5	-2.0	-7.3
1999	0.9	3.3	-2.5	0.6	2.3	1.8	3.1	0.1	2.5	-1.0	4.2	2.0
1998	7.8	6.6	3.0	1.9	5.0	0.0	-0.7	1.8	3.3	1.9	0.5	5.9
1997	-0.4	4.5	0.3	-2.7	-4.8	0.8	-1.0	-1.8	-0.6	0.0	-3.2	1.7
1996	-2.4	-1.1	-4.9	-0.5	-1.8	2.5	-0.9	1.4	1.4	0.9	-4.5	4.7
1995	5.6	-4.9	3.4	-3.4	-2.0	2.4	2.9	3.5	-1.6	4.5	-5.3	-6.3
1994	-8.2	-5.4	-4.0	2.0	-3.0	3.3	2.8	-1.7	-0.8	-0.8	3.9	4.2
1993	4.2	-6.2	-5.0	0.0	1.3	-0.1	2.5	1.5	-0.2	-1.6	-1.0	-2.3
1992	3.0	1.8	-2.9	-1.5	-1.6	-2.3	-1.8	-3.2	-0.7	-3.7	-1.3	-0.3
1991	0.8	4.9	3.4	3.4	6.8	3.5	1.8	2.6	-0.9	1.9	-0.6	2.8
1990	9.6	5.3	4.1	2.7	-2.2	0.3	0.0	0.2	-0.2	4.2	2.9	4.9
1989	5.4	-0.1	0.6	-2.9	-1.5	1.5	0.5	-0.8	0.5	1.8	-1.1	-13.3
1988	-2.5	-1.3	0.8	-1.1	0.8	-1.3	4.0	3.7	-2.0	-4.4	1.4	-1.0
1987	-0.3	-2.7	3.4	3.1	1.0	1.8	2.2	-1.3	-0.2	-4.2	0.8	2.8
1986	1.2	-1.0	2.2	2.6	3.3	-1.0	-0.4	-2.2	-0.7	0.7	-4.1	1.8
1985	-3.1	0.7	2.3	4.0	0.6	-4.4	-2.3	-1.0	1.9	0.6	2.6	-4.9
1984	-3.7	7.6	-7.6	-0.5	-2.8	0.8	-2.4	1.7	-2.3	4.8	-1.5	6.2
1983	1.9	3.1	2.8	-2.5	-2.9	0.4	0.8	2.4	1.3	0.4	1.1	-4.8
1982	-7.5	-0.7	-1.4	-2.8	2.6	-3.1	-0.6	-4.1	0.2	0.2	2.5	5.9
1981	-5.7	5.1	-1.2	3.1	-0.1	0.2	-0.3	-1.1	-1.7	-3.3	-0.7	-1.9
1980	1.1	-4.4	-2.8	0.7	1.2	-2.8	0.4	3.3	1.9	-3.6	-4.0	-5.5
1979	-0.6	-10.2	4.2	-0.9	0.6	-2.0	-0.7	-2.3	-1.1	-0.4	3.8	2.9
1978	-3.9	-9.6	-4.7	-2.9	-1.3	-1.9	-1.7	0.8	-1.3	-2.5	0.2	-0.5
1977	-11.2	-0.5	4.6	2.1	2.1	-3.8	0.5	-1.0	0.8	-2.6	1.9	-3.4
1976	-5.7	4.8	3.3	1.6	-4.0	1.6	-4.0	-2.5	-2.5	-5.3	-6.9	-7.6
1975	4.7	1.9	-3.1	-6.9	3.6	0.1	0.0	0.2	-4.1	2.7	5.4	-1.3
1974	4.4	-2.8	0.3	2.6	-2.2	-1.9	-1.4	-0.6	-3.1	-3.9	0.4	1.5
1973	4.3	-2.5	7.7	1.9	-3.5	2.8	0.8	2.4	0.4	3.2	2.1	1.4
1972	3.2	-4.4	-3.2	-3.8	1.4	-2.9	0.3	-1.2	1.1	-4.5	-3.1	3.1
1971	-4.0	0.0	-3.4	-3.0	-2.8	1.6	-1.5	-0.9	3.5	6.4	-0.5	4.6
1970	-7.5	-1.9	-4.6	0.1	1.6	-1.3	0.0	0.6	2.1	3.4	1.8	0.1
1969	0.1	-0.4	-1.8	2.2	-0.2	0.1	-0.6	0.6	0.5	-0.4	-1.3	-4.6
1968	-4.8	-4.5	2.4	3.9	-4.3	-0.9	0.9	0.7	1.7	2.2	0.0	-2.8
1967	7.0	-4.4	-2.5	0.2	-7.9	2.7	-1.5	-1.5	-1.6	-0.6	-4.7	1.7
1966	-2.3	-0.6	1.6	-3.0	-4.7	0.7	1.5	0.8	-2.6	-2.1	1.7	-0.2
1965	-2.2	-1.0	-2.7	-3.8	3.5	-2.1	-2.7	-1.0	2.0	-2.2	-0.9	3.0
1964	2.3	-3.5	1.4	-1.5	2.3	-1.1	2.3	-3.5	0.2	-1.8	3.3	0.3
1963	-2.8	-8.6	1.4	0.3	-2.3	0.6	0.1	-3.1	-4.0	5.7	3.8	-6.4
1962	0.2	-2.4	-1.0	0.6	3.6	0.8	-2.0	-1.1	-3.9	1.0	-3.5	-4.7
1961	-5.4	1.7	0.6	-3.7	-2.9	0.4	0.1	0.3	6.4	3.2	0.7	-0.7
1960	4.2	3.1	-10.8	5.1	-0.6	-0.4	-2.3	0.6	1.9	-0.4	2.2	-8.0
1959	-0.6	-2.1	-2.0	1.2	2.9	1.3	1.9	3.7	4.1	2.7	-2.0	1.9
1958	-0.1	-7.3	-1.0	1.2	-2.8	-4.7	0.8	-1.0	-0.4	-1.0	1.0	-8.8
1957	-3.7	3.9	0.1	1.7	-1.3	3.2	-1.0	-2.7	0.5	-2.0	0.8	3.6
1956	0.4	2.1	-4.7	-2.9	-4.4	1.0	-2.5	-1.3	-3.2	1.4	0.7	4.5
1955	-1.0	0.0	1.3	4.1	2.5	-0.9	5.1	4.3	-1.1	3.0	-2.4	-6.1
1954	-0.9	6.2	-0.5	2.4	-2.2	1.8	-1.3	-1.7	0.7	4.5	-0.9	-0.9
1953	6.9	4.3	1.0	-1.6	2.3	0.7	0.9	-0.2	1.0	3.0	2.4	4.4
1952	3.9	2.5	-1.7	2.4	-3.3	1.8	3.1	-0.2	1.5	-3.8	1.6	1.5
1951	4.1	1.8	-0.5	0.0	0.5	-0.5	0.5	-0.5	0.0	2.6	-6.7	-0.2
1950	10.3	-0.4	-6.3	-4.4	-0.7	-0.8	-2.5	-1.0	-2.8	2.9	0.3	-5.3
1949	7.4	4.8	0.8	-0.1	0.2	4.2	4.8	2.5	-2.9	5.6	-2.1	1.9
1948	-7.0	-3.1	0.5	2.1	-1.5	0.4	0.8	1.5	2.6	-0.6	5.4	1.2
1947	6.9	-4.0	-3.9	-0.6	0.1	-0.5	-0.3	5.1	2.0	7.9	-3.2	-1.6
1946	2.7	-0.6	10.4	-0.4	-0.8	-0.8	0.5	-2.7	3.2	6.2	3.7	2.2
1945	-7.7	-0.5	10.3	4.2	-3.2	-0.6	0.6	0.5	3.4	0.1	0.3	-5.5
1944	4.4	-0.8	-4.4	-4.0	6.9	1.4	1.5	3.0	1.8	-1.0	-0.2	-5.6
1943	-0.7	0.2	-1.3	-6.9	0.8	6.0	1.9	1.0	-0.9	-1.2	-4.0	-4.2
1942	-0.8	-3.7	3.2	4.4	3.6	1.7	2.1	0.7	1.1	2.2	-0.7	-4.8
1941	0.1	-3.1	-7.7	5.9	1.4	1.6	2.2	-1.9	2.6	4.2	1.8	3.0
1940	-5.9	-1.0	-6.3	-4.1	1.1	0.4	0.9	-1.3	-1.0	-2.2	-1.5	2.9
1939	1.7	2.7	-0.1	-1.3	4.2	2.6	1.4	4.7	3.7	1.6	-3.2	1.6
1938	1.4	3.8	5.3	2.7	-0.5	0.3	2.1	4.4	-1.6	3.0	0.4	0.4
1937	8.6	1.8	-5.0	-1.2	2.2	2.2	1.5	4.4	-0.8	-1.2	-1.0	-1.9
1936	-3.1	-8.3	5.4	-1.1	4.0	1.5	1.6	3.1	3.2	1.9	-4.0	2.5
1935	0.2	-0.7	3.0	-1.7	-3.7	0.3	4.4	1.2	-1.4	1.1	1.9	-5.8
1934	4.6	-11.2	-1.6	1.2	3.3	5.4	3.7	-1.2	4.0	0.1	3.5	-1.2
1933	10.3	2.3	-0.5	2.7	3.3	3.8	1.4	0.4	2.9	-0.2	-4.6	-0.6
1932	13.5	4.8	-4.1	-2.4	0.4	0.7	-0.4	2.1	2.1	3.2	-2.4	2.3
1931	1.6	0.3	-0.3	-0.5	0.7	0.8	3.8	1.7	5.9	3.5	7.5	5.6
1930	3.0	4.4	0.3	-1.2	1.8	2.6	1.1	0.4	4.3	-0.4	0.0	-1.3
1929	0.7	-0.3	6.1	2.4	-0.4	1.5	0.9	-2.2	3.3	-1.1	-1.0	0.1
1928	3.0	0.3	-1.2	-2.4	-0.9	-0.8	1.9	3.8	-1.7	3.6	1.1	3.2
1927	0.3	4.7	4.2	-0.8	-1.6	-3.0	0.9	-3.8	1.9	4.2	3.9	1.1
1926	1.6	-1.5	-4.8	-3.7	-0.9	-2.7	0.7	1.5	0.3	-0.2	-1.7	-5.2
1925	-2.1	6.3	4.1	1.8	-3.6	4.7	-1.1	0.5	3.4	-6.4	-2.8	-0.7
1924	2.1	-3.7	-1.3	-2.6	-4.3	-1.6	-1.2	0.1	-2.4	1.1	-1.7	-2.1
1923	0.5	-5.7	-2.2	-0.1	-0.8	3.9	-0.2	-0.9	1.8	-0.5	-1.4	7.5
1922	-2.4	2.9	2.0	0.9	3.4	2.2	0.9	-0.1	3.7	3.0	0.6	-0.7
1921	3.6	2.6	9.8	7.4	1.0	3.1	5.2	-1.1	5.8	1.2	-0.7	-0.6
1920	-7.4	-4.6	0.4	-2.1	-2.4	-0.1	-1.6	0.7	1.8	6.5	-2.3	1.8
1919	5.2	2.6	3.1	-0.2	0.9	4.5	1.2	-1.9	1.5	5.0	-1.3	-6.4
1918	-10.0	-2.5	2.5	0.4	5.7	-1.4	-0.6	3.2	-4.4	3.9	0.2	4.2
1917	0.3	-4.8	-0.7	-0.5	-6.5	-0.1	1.5	1.9	-3.8	-4.3	-5.0	-10.4
1916	7.0	-4.4	-8.6	-0.8	1.5	-2.9	3.4	2.4	0.6	0.6	-1.2	-1.7
1915	2.1	3.7	-3.8	5.6	-3.5	-1.3	-0.5	-2.3	4.2	2.3	-0.4	-2.2
1914	1.8	-7.5	-3.5	-1.9	2.4	1.0	-0.2	1.1	-0.8	4.8	-2.3	-4.2
1913	9.7	-2.3	4.9	3.0	-1.1	0.9	-0.1	0.4	-0.5	3.9	1.8	2.5
1912	-7.8	-5.1	-4.5	0.4	2.2	-1.7	0.0	-3.6	2.0	2.4	1.1	3.0
1911	3.9	0.1	-3.1	-2.2	6.4	0.7	2.7	1.1	0.5	0.3	-4.9	4.7
1910	0.7	-2.3	6.5	4.9	-1.4	-1.3	1.6	0.2	1.5	3.8	-5.4	-7.6
1909	4.5	5.4	-2.4	0.0	0.5	1.4	-1.5	-0.2	0.2	-3.1	3.7	-4.1
1908	1.1	-4.7	2.2	0.7	2.4	2.1	3.2	-0.1	4.2	3.4	-1.1	-0.1
1907	2.0	-7.0	2.8	-4.5	-4.5	-3.0	0.4	-1.8	1.9	-3.2	-2.3	1.7
1906	8.2	-1.2	-5.8	0.7	0.6	2.4	0.5	3.2	3.9	0.3	-1.0	-1.8
1905	-3.4	-8.0	-1.2	-0.5	1.0	0.9	1.8	-0.7	1.2	1.8	-3.5	2.3
1904	-6.7	-8.0	-3.1	-3.8	3.3	1.2	-0.3	-2.2	-0.1	-1.0	-4.0	-6.5
1903	0.3	1.3	9.3	0.1	2.4	-3.0	-0.5	-3.9	0.9	2.0	-5.6	-6.1
1902	-1.5	-4.1	4.6	-0.1	-0.8	-1.2	0.1	-2.5	0.1	1.1	5.0	-3.7
1901	2.1	-7.8	-1.5	-0.1	0.0	2.1	5.3	1.8	1.3	0.8	-6.8	-2.0
1900	2.5	-2.0	-7.5	1.0	0.8	3.2	3.0	4.4	4.5	7.7	1.5	-0.5
1899	-0.3	-5.0	-1.7	0.8	1.4	2.3	0.9	1.3	-1.0	3.1	-0.8	0.4

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