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	29.6	32.3	40.9	51.0	61.2	69.9	74.6	72.9	65.5	54.0	44.2	34.5
2024	-11.0	4.9	5.2
2023								0.4	1.8	3.5	-1.2	6.2
2023	10.1	7.7	0.9	3.3	-2.0	-1.4	2.3	0.4	1.8	3.5	-1.2	6.2
2022	-0.8	1.2	2.9	-0.3	2.4	0.4	2.7	4.2	1.3	-1.0	4.0	0.7
2021	3.4	-1.5	2.8	2.2	-0.2	1.8	1.6	2.4	2.6	6.3	-1.8	5.1
2020	6.2	6.1	5.1	-2.4	-2.4	1.6	4.6	2.5	1.1	2.3	4.1	1.8
2019	1.6	0.3	-1.7	3.9	2.2	0.3	3.4	1.8	3.2	4.8	-3.0	1.0
2018	-0.5	7.1	-3.5	-4.5	4.5	0.8	1.3	2.9	3.8	3.6	-3.9	3.3
2017	6.0	7.8	-3.1	5.4	-1.1	1.2	1.3	-0.9	2.1	5.2	-0.4	0.8
2016	-0.2	2.0	5.2	-0.2	-2.0	1.5	3.0	4.0	3.8	2.7	1.1	1.5
2015	-2.2	-10.2	-5.3	0.8	6.3	0.7	0.4	0.7	4.7	0.9	5.4	11.7
2014	-5.2	-5.1	-6.2	-0.4	0.5	1.4	-0.5	-2.2	0.8	3.2	-2.7	3.1
2013	3.9	-0.1	-2.6	1.3	0.2	1.6	3.0	-1.7	-1.5	2.6	-2.2	0.5
2012	4.5	6.0	9.0	1.4	4.4	0.3	3.8	1.6	1.2	1.9	-3.7	5.3
2011	-3.2	0.8	0.1	3.4	3.0	2.3	4.1	0.1	2.4	0.6	4.0	5.6
2010	0.9	-2.6	5.4	4.6	3.3	4.7	3.4	2.1	3.4	1.4	0.1	-4.0
2009	-4.1	1.9	0.2	2.0	0.9	-0.8	-2.8	2.0	-0.9	-1.0	4.2	-1.2
2008	3.5	0.7	0.4	2.8	-3.1	3.4	1.2	-1.5	1.7	-1.1	-1.2	0.3
2007	5.5	-7.3	-0.6	-2.7	2.4	2.1	-1.0	1.4	2.9	7.6	-1.4	0.1
2006	8.7	1.0	1.1	3.0	0.3	0.8	2.7	2.1	-1.3	-0.7	4.1	6.3
2005	0.0	1.2	-4.2	2.1	-3.8	3.3	2.2	3.7	5.1	2.4	2.4	-3.5
2004	-5.4	-0.4	2.1	1.3	6.4	-0.6	-0.9	0.1	2.3	-0.7	2.2	-0.1
2003	-3.8	-4.9	0.2	-1.1	-3.1	-2.1	0.4	2.4	0.8	-1.4	4.0	0.3
2002	6.5	5.6	1.8	3.5	-1.0	1.6	2.5	4.3	3.4	0.1	-1.1	-2.7
2001	-0.6	2.2	-3.0	0.5	1.0	1.8	-2.5	3.3	-0.6	1.3	4.3	5.9
2000	-0.6	1.5	5.1	-0.4	1.4	0.5	-3.4	-1.6	-1.3	1.0	-1.4	-6.7
1999	2.0	2.5	-1.6	0.3	0.3	1.1	4.2	0.9	1.4	-1.3	4.2	2.2
1998	8.7	7.2	2.3	2.4	4.0	-0.3	0.0	1.3	3.1	1.1	0.5	4.9
1997	-0.4	5.0	0.7	-1.9	-3.7	-1.0	-0.4	-1.5	-0.9	0.8	-2.5	0.7
1996	-2.4	-0.9	-4.4	0.1	-2.2	1.4	-2.3	-0.5	0.7	0.2	-5.1	2.9
1995	4.9	-4.1	2.5	-1.3	-1.4	0.1	1.5	2.3	0.0	3.9	-4.5	-5.3
1994	-7.8	-5.1	-3.5	3.8	-2.7	3.4	2.3	-2.2	-1.2	-1.2	4.1	3.9
1993	4.4	-4.7	-5.1	-0.8	1.5	0.1	1.6	1.1	-0.7	-2.0	-0.9	-1.5
1992	2.4	1.8	-3.1	-1.6	-3.0	-2.8	-2.1	-3.6	-1.4	-3.9	-1.0	-0.3
1991	1.5	4.4	2.0	1.7	6.0	1.7	0.9	1.7	-1.2	0.7	-0.9	1.4
1990	8.2	6.1	3.2	0.8	-1.9	0.4	0.2	-0.6	-1.5	4.0	2.0	3.6
1989	4.2	-0.7	-1.5	-2.2	-1.6	1.4	-0.9	-0.9	0.6	1.5	-1.6	-12.2
1988	-5.4	-0.9	0.4	-2.3	-0.1	-0.8	2.7	2.3	-2.8	-5.2	0.0	-1.9
1987	-0.6	-2.1	2.3	0.1	1.0	1.9	2.0	-1.3	-0.5	-4.9	0.0	1.6
1986	1.2	-2.5	1.5	0.1	3.1	0.8	0.6	-2.2	-0.6	1.1	-3.0	1.1
1985	-3.6	0.5	1.6	2.9	1.7	-2.8	-1.1	-0.7	1.2	2.2	4.0	-4.0
1984	-4.5	5.2	-6.7	-2.1	-2.2	1.3	-2.1	0.5	-3.3	5.4	-1.7	5.2
1983	2.0	0.0	1.1	-2.0	-2.1	0.1	1.0	2.3	1.3	0.8	0.5	-3.8
1982	-7.1	0.1	-1.6	-2.5	2.0	-3.0	-0.3	-3.4	-0.8	0.3	2.3	5.4
1981	-5.3	4.3	-2.2	2.5	0.1	0.7	0.2	-1.6	-1.1	-3.1	-0.6	-2.4
1980	1.0	-3.8	-2.6	1.7	2.1	-2.2	1.6	3.8	3.8	-1.3	-3.0	-3.6
1979	-0.3	-10.5	3.2	-1.1	1.1	-2.5	-1.4	-0.2	-0.2	-1.2	4.1	2.0
1978	-3.2	-8.7	-3.3	-0.7	-1.6	0.1	-2.1	2.4	-0.1	-1.0	1.2	1.7
1977	-10.0	0.2	5.7	3.2	3.0	-1.7	1.0	0.7	2.0	-1.1	2.2	-2.3
1976	-2.7	6.9	4.0	3.8	-1.1	3.1	-1.9	-0.8	-0.8	-3.4	-5.3	-5.7
1975	5.6	1.6	-1.6	-4.3	3.4	0.2	-0.2	1.2	-2.7	4.3	5.6	0.3
1974	4.7	-1.0	0.8	2.3	-0.9	-2.5	-0.4	0.7	-0.7	-2.4	1.6	2.9
1973	3.9	-1.1	4.9	0.5	-3.1	2.7	0.9	2.4	1.9	2.5	1.7	1.8
1972	3.9	-2.9	-2.0	-2.6	0.1	-3.5	0.2	-0.3	1.4	-3.8	-2.8	3.1
1971	-3.7	0.6	-2.4	-1.6	-2.8	1.3	-1.0	-1.2	3.2	6.1	-0.7	5.0
1970	-7.0	-0.7	-4.2	-0.7	2.3	-0.3	-0.1	1.2	3.7	3.4	1.6	-0.6
1969	-0.5	-0.7	-2.4	2.7	1.4	1.8	-0.7	0.8	1.0	0.3	-1.2	-3.4
1968	-3.8	-3.0	2.5	2.3	-3.6	-0.6	1.1	2.3	2.2	3.0	0.6	-2.4
1967	5.6	-4.5	-2.8	-0.1	-6.8	1.9	-0.8	-1.3	-1.6	-0.2	-3.9	1.2
1966	-1.4	-1.6	1.0	-4.1	-2.5	1.5	2.4	1.3	-1.5	-1.3	1.3	-0.9
1965	-2.4	-0.8	-3.8	-3.2	3.6	-1.0	-1.8	-0.6	2.3	-1.4	-0.5	2.2
1964	1.8	-2.7	0.6	-2.6	1.8	0.1	0.1	-3.2	0.5	-2.3	2.4	0.4
1963	-3.4	-7.2	1.4	0.9	-1.8	0.3	0.2	-2.6	-3.9	3.9	3.1	-7.3
1962	-0.1	-3.1	-1.4	0.4	2.2	0.9	-2.6	-1.4	-3.8	1.1	-3.1	-5.4
1961	-5.5	1.0	0.5	-3.4	-3.0	-0.1	0.2	0.2	6.0	2.3	1.9	-2.5
1960	4.0	2.6	-9.3	4.8	-1.2	0.2	-2.0	1.2	0.8	0.1	1.2	-7.9
1959	0.2	-0.4	-0.8	2.8	3.8	1.4	0.7	2.5	3.8	4.5	-1.0	1.5
1958	0.7	-5.4	-2.3	1.9	-1.3	-3.0	1.4	-0.4	-0.2	0.0	1.1	-7.1
1957	-1.3	4.2	0.4	2.6	1.2	3.9	1.2	-0.7	2.5	-1.3	1.4	2.8
1956	1.8	4.0	-3.0	-2.0	-1.3	1.3	-2.2	0.0	-1.9	1.9	0.6	6.0
1955	0.5	0.8	1.3	3.4	3.2	-1.7	5.4	3.9	0.4	3.4	-1.9	-5.5
1954	0.4	7.0	0.1	3.5	-2.2	1.2	0.6	-1.2	1.5	4.8	-1.6	-0.2
1953	6.7	5.3	2.0	0.1	3.0	1.3	1.0	0.3	1.8	3.2	0.2	3.4
1952	5.9	4.1	-1.5	2.5	-1.3	2.8	3.0	0.3	0.9	-2.3	0.6	1.9
1951	5.0	2.4	0.5	0.7	0.9	-0.2	0.2	0.1	0.9	3.7	-4.0	1.2
1950	11.8	0.3	-3.7	-2.8	-1.0	-0.2	-1.0	-0.5	-2.3	3.6	1.6	-2.7
1949	8.6	5.9	2.0	0.8	1.5	3.2	3.8	1.5	-1.6	6.0	-0.3	2.7
1948	-5.2	-2.1	2.2	0.6	0.0	-0.1	0.6	0.4	0.9	-0.3	5.3	1.2
1947	6.8	-4.5	-4.4	0.8	-0.3	-1.6	-1.0	2.3	1.5	7.0	-2.5	-2.1
1946	2.9	0.3	7.9	-0.1	0.6	-1.3	-0.4	-3.8	1.7	4.6	3.5	1.7
1945	-5.2	-0.3	10.0	3.8	-1.9	0.7	-0.5	-1.1	3.6	0.0	1.3	-5.6
1944	3.0	-0.1	-3.4	-2.6	6.0	1.3	2.2	1.8	1.6	-0.5	-0.2	-4.5
1943	2.3	0.9	-0.3	-4.6	1.8	5.9	0.9	1.9	-0.4	-0.8	-2.4	-2.9
1942	-0.7	-2.8	1.5	3.2	4.1	1.0	0.5	-1.2	0.8	1.9	0.3	-4.4
1941	-0.2	-3.3	-6.3	5.4	2.8	0.5	0.6	-0.5	2.9	5.8	2.2	2.9
1940	-7.9	-0.7	-6.0	-5.0	-0.3	-0.2	0.7	-2.8	-2.0	-3.0	-0.7	2.9
1939	1.5	3.9	-0.9	-2.8	3.2	1.9	-0.3	3.0	1.3	0.9	-2.8	0.9
1938	1.5	2.6	2.5	2.0	-1.1	-0.3	0.9	3.2	-1.5	1.8	0.8	-0.2
1937	9.0	1.0	-4.4	-1.7	1.6	1.6	0.5	2.4	-2.0	-1.1	-1.2	-1.9
1936	-3.5	-8.8	4.7	-2.8	3.3	0.3	1.2	1.9	2.2	1.9	-3.6	2.3
1935	-1.6	-2.5	2.9	-2.0	-2.9	-0.1	2.3	0.5	-1.9	1.0	3.1	-5.9
1934	4.2	-12.8	-4.4	-0.9	2.5	4.2	2.8	-2.2	2.1	-1.2	2.4	-1.9
1933	8.8	0.4	-2.5	0.3	2.7	2.4	-0.5	0.3	2.6	-0.4	-4.0	-2.6
1932	12.6	3.7	-5.0	-2.4	-0.2	0.2	0.2	1.4	1.7	1.6	-3.0	0.4
1931	2.0	1.3	-2.0	-0.9	0.4	0.3	2.3	0.6	5.7	4.1	5.5	5.0
1930	1.1	3.7	-0.6	-2.8	2.4	2.0	0.6	-0.5	4.1	-1.8	-1.1	-2.0
1929	0.2	-1.3	4.6	1.3	-0.4	0.6	-0.9	-2.6	1.1	-1.9	-0.2	-0.5
1928	2.6	0.0	-2.1	-3.0	-1.7	-2.0	0.2	2.4	-3.9	2.1	0.7	1.8
1927	-0.6	4.0	2.0	-3.0	-1.7	-3.8	-1.0	-5.4	-0.4	2.8	3.3	0.6
1926	0.3	-2.3	-5.3	-3.4	-0.6	-3.9	-0.8	0.8	-1.3	-0.6	-2.4	-5.7
1925	-3.0	5.1	2.3	1.3	-3.1	4.9	-2.0	-1.6	2.5	-5.0	-3.0	-0.8
1924	1.5	-3.3	-2.1	-3.1	-3.5	-2.2	-2.4	-0.5	-4.2	0.1	-2.1	-1.8
1923	0.8	-5.6	-1.7	-0.4	-0.6	3.6	-1.3	-1.5	0.7	-0.5	-1.9	6.7
1922	-2.5	1.8	0.5	0.5	2.9	2.1	-0.7	-1.3	1.0	2.6	-0.3	-1.6
1921	2.9	2.2	9.0	6.1	-0.3	1.8	2.9	-2.6	4.4	0.0	-0.2	-1.7
1920	-6.0	-4.5	-0.8	-2.5	-3.2	-0.6	-2.5	-0.2	0.1	4.8	-1.8	1.5
1919	4.2	1.3	2.7	-1.0	0.7	1.5	0.0	-2.4	-0.3	5.7	-1.0	-6.3
1918	-10.5	-2.7	1.8	-1.0	5.1	-2.6	-2.1	2.2	-4.4	3.4	-0.9	3.4
1917	1.4	-4.0	-2.3	-0.8	-5.7	-0.2	-0.1	1.0	-5.6	-3.8	-5.0	-9.8
1916	5.6	-4.2	-9.0	-1.9	1.6	-4.1	1.1	0.8	-1.6	0.6	-1.5	-2.3
1915	2.0	2.3	-5.1	4.2	-2.4	-2.1	-1.6	-1.5	2.2	2.2	-1.3	-2.9
1914	2.2	-7.7	-5.1	-2.1	2.9	0.1	-1.9	1.2	-2.7	4.1	-1.8	-4.1
1913	8.8	-1.9	4.0	1.6	-0.1	0.2	0.2	-0.8	-1.7	3.3	1.2	2.9
1912	-8.6	-5.5	-4.4	0.7	1.7	-1.4	-0.4	-2.6	0.4	2.6	0.6	2.1
1911	3.6	-1.0	-3.6	-3.4	4.9	0.1	1.9	0.3	0.6	0.3	-3.8	3.7
1910	-0.7	-2.8	4.7	3.6	-1.0	-2.2	1.1	-1.5	1.5	3.5	-4.9	-8.1
1909	2.5	5.8	-2.9	-0.3	0.2	1.0	-2.3	-2.0	-1.5	-3.3	2.1	-5.0
1908	1.6	-5.9	1.1	1.0	1.5	1.0	1.4	-1.9	-0.6	2.9	-1.7	-0.5
1907	1.7	-8.7	1.0	-5.0	-4.7	-4.6	-0.6	-2.2	0.9	-3.7	-1.9	1.1
1906	6.6	-1.9	-6.9	0.8	0.9	1.7	-1.2	2.1	2.6	0.6	-0.8	-1.4
1905	-2.7	-9.4	-0.3	-0.3	1.7	-0.3	0.4	-1.1	-0.7	1.4	-2.9	1.4
1904	-7.8	-8.6	-3.6	-3.7	2.5	-0.1	-1.6	-2.1	-1.1	-1.7	-4.4	-7.2
1903	-0.4	0.6	6.6	0.2	2.2	-4.8	-0.4	-3.9	-1.5	1.6	-5.1	-5.9
1902	-2.0	-6.1	2.8	-0.6	0.3	-1.4	-0.6	-2.5	-1.8	2.0	4.4	-3.3
1901	0.8	-7.8	-1.4	-2.4	-1.2	1.1	3.5	1.4	-0.1	0.1	-6.7	-2.7
1900	2.4	-2.4	-6.3	0.0	1.0	1.8	1.8	4.6	4.0	6.0	2.5	-0.2
1899	-1.0	-7.6	-2.6	-0.4	1.1	3.0	0.5	-0.1	-2.3	2.2	-1.3	0.2

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