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	24.5	26.9	35.6	46.6	56.7	65.1	69.4	67.8	60.6	49.3	39.5	29.5
2024	-5.8	8.3	6.6
2023								0.9	3.2	4.7	-0.5	8.8
2023	11.0	8.5	1.0	3.9	-1.6	-0.8	2.4	0.9	3.2	4.7	-0.5	8.8
2022	-1.4	3.6	3.6	-0.6	3.3	2.3	2.5	2.5	2.2	-0.2	2.3	1.1
2021	4.2	-1.1	4.7	2.5	-0.1	2.7	1.8	4.7	3.1	7.6	-0.8	7.2
2020	6.2	5.4	6.1	-2.4	-1.9	1.1	5.1	3.5	0.9	2.7	4.3	3.0
2019	0.2	1.4	-2.2	2.2	3.1	-0.6	2.8	0.6	3.2	3.2	-4.2	2.7
2018	-2.9	7.0	-3.6	-5.7	6.3	0.6	1.4	2.7	5.1	5.3	-4.6	2.8
2017	6.4	5.6	-2.4	6.6	0.7	0.9	0.4	-1.9	2.7	7.8	-1.3	2.5
2016	-0.4	2.5	6.8	-0.1	-0.7	0.9	2.5	4.7	4.0	1.0	1.3	-0.8
2015	-3.5	-11.0	-5.4	0.6	5.8	0.7	0.3	-0.1	5.3	0.9	5.3	10.8
2014	-6.2	-6.1	-6.6	0.3	1.6	2.1	-1.4	-2.0	1.6	2.9	-3.7	3.4
2013	3.0	-1.0	-3.2	1.2	1.6	1.5	2.2	-0.5	-0.5	3.5	-3.3	-0.3
2012	4.6	6.4	10.7	-0.2	6.3	0.6	4.1	0.8	0.6	2.4	-2.9	5.4
2011	-3.5	-0.8	-0.8	1.1	4.0	2.2	4.1	0.8	2.1	-0.5	5.4	4.7
2010	0.0	-2.8	4.6	4.3	2.8	3.2	2.8	1.8	1.5	0.8	0.0	-5.2
2009	-6.2	0.7	1.5	0.6	0.2	-1.1	-3.9	1.6	0.0	-1.9	3.6	-1.8
2008	3.4	-1.6	-2.2	3.8	-4.2	2.8	0.8	-1.9	1.8	-1.5	-1.8	-0.2
2007	5.6	-9.2	-0.3	-3.1	3.0	2.3	-1.1	2.4	3.1	7.7	-1.1	1.0
2006	9.5	1.5	-0.4	2.9	0.0	0.5	2.2	2.0	-0.9	-0.9	3.1	7.1
2005	0.3	1.1	-5.3	1.6	-3.9	3.8	2.8	3.8	3.7	2.2	2.7	-4.5
2004	-5.5	-2.1	2.6	0.7	6.7	-1.1	-0.8	-0.4	3.3	0.8	2.7	0.2
2003	-4.4	-3.9	0.4	1.0	-0.2	-1.3	-0.5	2.8	0.8	-1.5	4.4	0.1
2002	7.6	6.0	1.5	2.8	-2.2	2.8	2.7	3.7	4.1	-0.8	-0.8	-2.9
2001	0.9	3.6	-3.4	1.9	1.8	1.8	-1.1	4.0	0.1	1.8	5.5	6.7
2000	0.5	3.8	5.9	0.2	2.2	2.8	-2.4	0.2	0.7	2.4	-1.5	-7.3
1999	1.2	3.5	-2.7	1.8	3.5	2.4	4.2	0.6	2.0	0.3	4.4	2.1
1998	9.6	8.2	3.3	2.8	5.9	0.3	0.4	2.6	5.6	3.1	1.2	6.2
1997	-0.4	4.8	1.1	-2.5	-4.6	1.6	0.0	-1.3	-0.2	1.4	-2.6	2.6
1996	-1.0	-0.6	-4.8	0.2	-1.5	3.4	-0.9	1.5	1.4	0.9	-4.4	4.1
1995	3.4	-4.6	2.6	-3.3	-1.4	1.4	1.3	4.7	-0.5	4.5	-4.6	-4.9
1994	-6.9	-3.4	-2.6	3.5	-3.5	3.3	2.1	-1.5	-1.2	-1.4	3.2	3.6
1993	5.1	-4.6	-3.9	0.7	1.8	0.0	2.6	2.0	0.1	-1.0	-0.2	-1.3
1992	3.1	3.5	-2.1	-0.1	-0.8	-2.4	-0.8	-2.7	0.0	-2.9	0.5	0.2
1991	1.3	3.6	2.7	2.1	7.3	2.8	2.2	2.5	-0.2	1.8	-0.9	3.0
1990	9.2	6.1	2.9	2.0	-2.3	0.3	-0.2	0.1	-0.2	3.7	3.3	4.2
1989	5.2	-0.4	0.1	-2.2	-2.4	0.8	0.6	-1.1	0.2	0.8	-1.9	-12.8
1988	-3.7	-0.9	0.8	-0.9	0.4	-1.4	3.4	3.2	-2.2	-4.7	0.8	-1.0
1987	0.1	-0.6	2.6	1.8	1.7	1.9	1.9	-1.4	-0.6	-4.2	1.5	2.9
1986	0.5	-0.7	1.1	1.9	2.4	-0.8	0.3	-2.7	0.4	1.5	-3.0	1.4
1985	-3.7	-0.4	1.2	3.5	1.1	-3.6	-2.0	-0.8	1.7	1.0	4.4	-3.9
1984	-3.9	6.2	-7.3	-0.6	-3.7	-0.3	-2.8	0.9	-2.9	5.0	-2.5	5.7
1983	2.5	3.4	2.8	-2.1	-2.9	-0.3	0.6	2.4	0.4	0.5	0.7	-5.1
1982	-6.6	-0.7	-2.1	-3.4	3.4	-2.4	-0.3	-4.1	-0.5	0.5	3.0	6.3
1981	-5.6	3.2	-1.9	3.0	-0.1	0.5	-0.5	-1.3	-1.7	-3.2	-1.0	-1.5
1980	1.6	-3.4	-2.7	0.7	1.3	-2.5	0.7	2.8	1.9	-3.5	-3.5	-4.7
1979	-3.1	-11.1	2.5	-1.1	-1.3	-2.4	-1.4	-0.7	-0.6	-0.1	3.6	3.4
1978	-4.7	-10.2	-4.7	-2.6	-1.2	-1.9	-2.2	1.2	0.4	-2.8	0.3	-0.6
1977	-13.1	-1.7	4.7	2.6	3.0	-2.8	1.1	-0.5	2.0	-2.1	2.2	-3.6
1976	-5.0	5.4	4.1	1.8	-3.7	1.8	-3.6	-3.4	-3.4	-5.0	-7.0	-8.6
1975	3.7	0.7	-2.9	-6.3	2.7	-0.7	-0.9	0.3	-4.4	2.8	5.1	-0.8
1974	5.1	-1.3	-0.1	0.3	-2.3	-2.8	-1.5	-0.3	-3.0	-3.7	1.0	0.6
1973	3.4	-2.4	6.1	0.4	-3.7	1.9	0.0	1.7	0.8	2.4	1.3	0.7
1972	3.6	-5.2	-3.5	-2.6	1.4	-4.5	-0.3	-1.7	0.8	-5.2	-3.6	3.7
1971	-2.7	-0.2	-4.2	-3.1	-3.7	2.2	-2.6	-2.2	3.9	5.7	-0.8	5.0
1970	-6.9	-2.5	-4.9	0.5	3.2	-0.8	-0.1	0.5	3.0	3.2	2.0	0.8
1969	-1.1	-0.7	-4.0	1.2	1.1	0.5	-0.3	-0.2	-0.3	-1.3	-1.7	-4.6
1968	-4.7	-5.0	1.6	2.5	-4.6	-1.6	0.1	0.1	0.7	0.9	-0.4	-4.1
1967	6.0	-5.3	-2.4	0.8	-7.7	2.0	-2.4	-2.2	-3.4	-1.5	-5.0	0.7
1966	-2.8	-0.8	1.0	-3.4	-4.3	-0.4	0.5	-1.1	-3.6	-3.6	-0.8	-1.8
1965	-2.2	-2.4	-5.1	-3.8	2.8	-2.4	-3.5	-2.0	1.4	-2.9	-0.4	3.2
1964	0.8	-5.1	0.8	-1.6	1.4	-1.2	1.0	-4.4	-1.6	-3.7	1.9	-0.1
1963	-4.3	-10.3	1.1	-0.1	-2.5	-0.5	-1.5	-4.0	-4.7	3.7	2.4	-8.1
1962	-0.7	-1.6	-2.0	-0.6	4.1	-0.2	-3.1	-1.9	-5.3	0.3	-3.2	-7.1
1961	-4.7	1.9	1.3	-4.6	-3.7	-0.9	-0.2	0.5	5.4	2.4	0.9	-1.5
1960	3.1	1.2	-13.3	4.2	-2.2	-1.2	-3.9	0.4	1.6	-1.9	0.9	-9.8
1959	-1.7	-0.4	-3.1	1.2	3.0	0.6	0.3	3.1	2.8	1.5	-3.0	1.2
1958	-0.3	-7.9	-2.8	1.2	-2.2	-4.7	0.9	-2.1	-1.0	-0.9	0.7	-10.1
1957	-3.4	4.0	-1.0	1.4	0.0	2.0	-2.0	-3.4	-0.4	-2.7	-0.3	2.3
1956	0.7	1.9	-3.8	-2.9	-3.0	0.1	-2.6	-2.9	-4.0	1.4	-0.2	5.2
1955	-1.0	-0.4	0.8	4.7	2.9	-2.6	4.2	3.9	-0.2	2.0	-4.1	-5.3
1954	0.7	6.6	-1.4	4.2	-3.0	1.4	-1.4	-1.8	1.3	3.2	-1.3	-2.2
1953	7.1	4.8	1.7	-1.7	3.7	1.5	0.3	-0.3	0.2	2.6	1.2	3.2
1952	4.7	3.3	-1.7	2.0	-2.3	2.7	3.6	0.6	0.2	-4.0	1.1	1.2
1951	3.4	1.5	-0.5	-0.7	0.9	-0.1	-0.3	-1.3	-0.9	2.3	-6.8	-0.9
1950	10.9	0.0	-6.5	-5.4	0.4	-0.9	-3.3	-1.5	-3.0	2.3	-1.9	-6.2
1949	8.1	5.0	-0.3	-1.1	0.6	3.2	3.5	1.1	-4.4	5.0	-1.7	0.6
1948	-6.9	-1.4	0.8	2.3	-0.7	-0.2	-0.1	-0.4	0.4	-1.7	3.1	0.1
1947	6.7	-6.4	-6.9	-0.4	-1.1	-1.4	-2.2	4.6	0.6	7.0	-4.4	-2.2
1946	1.5	-0.6	8.7	-1.0	-1.5	-2.6	-1.4	-5.1	0.4	4.0	2.1	1.0
1945	-7.0	-0.8	9.3	2.9	-4.3	-1.6	-1.0	-1.1	1.7	-1.4	-1.3	-7.3
1944	3.3	-1.0	-5.0	-4.6	7.0	0.7	-0.4	0.5	-1.1	-2.0	-0.4	-6.7
1943	-0.2	-1.3	-2.3	-7.9	0.6	4.6	0.1	-0.9	-2.7	-2.6	-4.8	-5.0
1942	0.0	-4.2	1.1	4.3	3.3	1.3	0.3	-0.8	0.2	2.0	-1.2	-5.0
1941	1.1	-3.2	-5.9	6.2	2.0	1.1	1.2	-2.3	1.9	4.6	1.5	3.4
1940	-7.8	0.1	-5.9	-4.0	0.9	0.6	0.5	-1.8	-1.8	-2.3	-0.3	4.1
1939	4.1	3.5	0.5	-1.9	4.8	2.9	-0.1	3.1	2.9	2.0	-2.3	2.9
1938	1.4	4.2	4.1	2.0	0.2	-0.1	1.1	4.0	-1.6	2.9	1.4	0.5
1937	9.3	1.5	-3.7	-1.4	1.7	2.1	0.7	3.6	-1.4	-1.4	-1.3	-2.3
1936	-3.1	-8.4	3.4	-2.4	4.1	0.7	1.7	2.8	3.6	2.2	-3.3	2.0
1935	0.3	-0.6	3.9	-1.9	-3.7	-0.7	2.8	0.4	-0.7	1.1	1.9	-4.9
1934	4.5	-11.5	-3.3	-0.2	3.1	5.5	3.4	-2.2	2.9	0.2	3.1	-1.2
1933	10.3	1.9	-1.4	2.5	2.3	2.8	0.1	0.1	2.0	-1.4	-4.2	-0.2
1932	13.5	6.7	-4.5	-2.0	0.0	0.3	-0.9	0.6	0.9	1.6	-2.9	1.1
1931	3.4	3.0	-1.6	-1.1	0.2	0.9	3.0	0.5	5.6	3.6	7.7	6.4
1930	2.9	5.5	-0.6	-1.0	1.5	1.3	1.2	-0.8	5.1	-0.6	-0.3	-2.4
1929	0.4	-1.2	5.2	2.4	-1.1	0.0	-0.3	-2.9	2.8	-1.4	-0.6	0.0
1928	2.4	0.8	-1.5	-3.0	-0.8	-1.6	0.8	3.3	-2.7	3.3	2.0	2.3
1927	0.4	5.5	3.6	-1.2	-1.2	-3.8	-0.6	-5.1	1.9	3.9	4.4	0.7
1926	0.9	-1.0	-5.1	-4.0	-0.2	-3.1	-0.3	1.5	1.1	0.1	-1.6	-5.6
1925	-1.4	5.9	2.2	1.9	-4.4	4.0	-1.4	-0.8	5.0	-6.2	-2.7	-1.6
1924	1.2	-2.7	-2.6	-3.1	-4.5	-1.6	-2.6	-0.6	-3.4	0.9	-1.6	-2.5
1923	1.9	-5.1	-1.3	-0.6	-0.7	3.0	-1.6	-1.6	1.8	-1.1	-1.9	7.6
1922	-2.3	3.9	1.4	0.7	3.3	1.7	-0.3	-1.8	3.7	3.2	1.2	-1.0
1921	3.8	3.3	9.1	6.5	0.5	2.9	4.2	-2.3	5.8	0.9	0.3	-1.1
1920	-6.8	-4.4	0.3	-3.0	-2.7	-0.7	-2.8	-0.1	0.9	5.9	-1.6	1.1
1919	4.8	2.8	2.2	-0.4	-0.2	4.1	0.6	-2.7	1.3	5.3	-1.0	-7.7
1918	-10.8	-1.3	2.9	-0.6	6.1	-1.4	-2.1	3.3	-4.4	3.7	0.0	4.4
1917	0.0	-3.9	-1.1	-0.4	-5.2	-1.0	0.0	1.2	-5.0	-5.3	-4.8	-11.3
1916	7.1	-4.1	-7.7	-1.1	1.5	-3.5	2.4	1.4	-0.9	-0.5	-1.1	-2.8
1915	1.4	3.4	-5.5	5.1	-4.3	-2.1	-1.2	-2.6	3.3	2.1	-1.0	-3.2
1914	3.0	-8.5	-4.0	-2.0	2.2	1.6	-0.6	0.5	-2.1	4.6	-1.9	-5.4
1913	9.7	-2.4	3.2	1.9	-1.5	0.6	-0.1	-0.1	-0.8	3.0	1.7	1.7
1912	-8.0	-6.1	-5.2	0.9	1.6	-2.4	-0.9	-3.9	2.6	2.0	1.4	2.4
1911	4.6	1.6	-3.8	-2.8	6.3	0.8	1.6	1.0	2.2	0.2	-4.7	4.2
1910	0.3	-3.4	6.4	4.1	-3.2	-2.4	0.6	-1.0	3.0	3.6	-5.8	-8.3
1909	4.9	6.7	-3.1	-0.4	-0.2	1.0	-2.7	-1.4	0.2	-3.9	4.6	-5.3
1908	0.9	-5.7	2.2	0.7	1.3	0.8	2.0	-1.2	2.5	2.5	-1.0	-0.4
1907	3.0	-7.1	3.3	-5.2	-4.7	-4.5	-0.6	-2.7	1.9	-4.0	-3.1	1.1
1906	8.1	-1.6	-6.8	0.6	0.4	1.5	-0.8	3.3	3.4	-0.6	-0.3	-1.7
1905	-3.7	-8.8	0.1	-0.9	1.5	0.8	0.4	-1.4	1.1	1.4	-3.5	1.6
1904	-6.5	-8.2	-2.8	-4.5	2.6	0.3	-1.7	-2.4	1.0	-1.6	-3.4	-7.2
1903	-0.2	0.7	7.3	-0.5	2.3	-3.5	-1.3	-3.7	-0.3	1.4	-5.4	-6.9
1902	-1.6	-5.6	2.5	-1.2	-0.1	-1.4	-0.2	-2.7	-0.7	0.5	4.8	-4.5
1901	2.1	-8.1	-1.4	-1.4	-0.4	1.1	4.7	1.8	0.1	-0.2	-6.8	-3.4
1900	2.0	-2.6	-8.0	0.2	1.0	2.1	2.1	4.3	5.7	6.4	1.2	-1.4
1899	-0.2	-6.9	-2.5	0.6	1.8	1.6	0.3	0.8	-1.6	2.1	-2.1	-0.9

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