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	26.6	29.4	38.3	49.1	59.5	67.7	72.2	70.4	62.8	51.3	41.4	31.8
2024	-10.5	6.4	5.0
2023								0.4	2.9	4.4	0.3	6.2
2023	10.8	7.4	0.4	3.9	-2.1	-0.9	1.5	0.4	2.9	4.4	0.3	6.2
2022	-1.6	2.4	2.2	-1.7	2.1	1.5	2.6	4.0	2.3	-1.7	3.8	-0.5
2021	3.7	-1.6	1.5	1.0	-0.4	2.8	0.8	3.7	2.4	6.2	-0.1	6.1
2020	7.0	5.6	4.7	-2.4	-2.0	1.3	4.6	3.5	-0.3	2.3	3.1	0.4
2019	1.5	1.3	-1.3	3.4	3.2	-0.0	3.3	0.6	3.4	2.9	-3.8	1.0
2018	-1.3	5.2	-2.2	-5.1	6.2	0.3	0.3	2.9	5.8	4.6	-3.8	3.7
2017	4.4	8.0	-4.0	5.6	-0.1	0.5	1.5	-2.6	1.8	6.0	-2.0	0.1
2016	0.0	3.0	5.9	-1.4	-1.2	1.2	2.7	4.4	5.1	4.0	0.7	0.2
2015	-2.5	-10.9	-5.7	-1.3	4.7	1.1	-0.7	-0.0	4.1	-0.2	4.8	10.2
2014	-5.1	-5.7	-6.7	-0.9	0.5	1.4	-0.8	-2.5	1.2	3.4	-3.0	3.1
2013	3.1	-0.8	-2.7	0.7	0.3	1.6	2.8	-1.2	-1.2	3.1	-2.2	-0.4
2012	4.3	5.4	9.8	0.6	5.1	0.3	4.1	1.2	1.5	2.4	-2.8	4.7
2011	-3.1	-0.6	-0.3	1.4	2.9	2.1	3.6	0.1	2.6	0.1	3.7	4.5
2010	1.1	-1.6	5.9	5.0	2.4	3.3	3.0	1.2	1.8	0.8	0.0	-4.4
2009	-5.1	1.1	0.9	1.3	-0.3	-0.9	-3.9	1.2	-0.6	-1.6	4.1	-1.5
2008	3.6	-1.7	-1.6	2.8	-4.2	3.0	0.1	-2.4	1.5	-1.3	-1.5	-0.9
2007	5.6	-7.8	-1.2	-3.3	1.6	2.3	-1.1	1.6	2.9	7.5	-1.7	-0.1
2006	8.6	1.6	0.6	2.1	-0.5	0.2	2.3	1.6	-1.5	-1.0	3.2	6.5
2005	0.0	2.0	-4.7	-3.2	-4.1	4.1	2.6	3.6	4.2	2.2	1.9	-4.9
2004	-5.4	-1.8	1.9	1.0	5.8	-1.2	-1.3	-0.2	3.1	0.2	2.7	-0.2
2003	-4.2	-3.9	-1.4	-0.2	-1.7	-1.9	-0.6	2.6	0.6	-1.5	4.0	0.1
2002	7.3	6.2	0.9	2.7	-2.4	1.9	2.2	4.0	3.9	-0.9	-1.0	-3.3
2001	1.2	3.3	-3.4	0.4	0.8	1.6	-2.5	3.5	-0.7	1.6	4.7	5.2
2000	-0.1	2.5	5.7	0.6	2.6	1.5	-3.0	-0.4	-0.5	2.4	-1.2	-7.6
1999	1.0	3.5	-1.5	1.3	1.7	2.0	4.4	0.3	1.8	-1.6	4.2	1.5
1998	8.8	7.5	3.0	2.4	4.9	0.1	-0.7	1.7	3.8	2.0	1.4	5.5
1997	-0.7	5.1	0.8	-1.6	-4.1	0.4	0.1	-1.4	-0.1	0.9	-3.0	18.1
1996	-2.3	-0.6	-4.9	0.4	-2.3	2.4	-1.4	0.6	1.1	0.9	-4.2	3.0
1995	5.4	-3.0	3.7	-1.7	-0.8	1.4	2.7	5.1	0.3	4.6	-4.8	-5.2
1994	-8.1	-4.6	-3.2	3.5	3.1	3.3	1.8	-1.8	0.2	0.0	4.6	4.0
1993	5.2	-4.4	-4.3	0.3	2.1	0.3	2.9	1.9	-0.3	-1.4	-0.9	-4.9
1992	2.9	2.7	-2.3	-1.0	-2.1	-2.4	-1.7	-2.9	0.1	-2.6	0.2	0.0
1991	1.5	4.5	2.7	1.6	6.2	3.1	2.6	2.6	-0.8	1.6	-0.3	2.1
1990	9.4	5.5	3.3	1.5	-2.5	0.6	-0.2	-0.2	-0.7	4.2	3.4	3.4
1989	5.0	0.2	-0.9	-2.1	-2.4	0.5	-0.3	-1.0	0.1	1.4	-1.5	-12.1
1988	-4.2	-0.2	1.3	-1.2	0.6	-0.3	4.2	3.4	-2.2	-4.0	0.7	-1.2
1987	-0.4	-0.9	2.9	2.4	1.3	2.3	2.9	-0.5	-0.1	-3.7	0.6	2.5
1986	1.3	-1.9	1.8	1.9	3.6	0.5	0.8	-2.0	0.3	1.6	-3.4	1.6
1985	-2.3	0.9	2.3	4.1	1.6	-3.2	-1.1	-0.6	2.2	1.6	4.0	-4.1
1984	-4.5	5.2	-7.9	-1.7	-4.0	0.0	-2.9	0.2	-2.8	4.9	-1.6	5.4
1983	2.2	1.8	2.2	-2.3	-3.5	-0.7	0.3	1.2	0.0	-0.7	0.1	-5.1
1982	-7.7	-1.2	-3.3	-3.7	2.5	-3.7	-1.4	-5.1	-1.3	-0.8	2.5	4.8
1981	-5.6	3.1	-2.2	2.3	-0.6	0.2	-0.7	-1.5	-1.5	-3.5	-0.5	-2.4
1980	1.2	-3.6	-2.9	0.8	0.9	-3.2	0.7	3.1	2.6	-2.3	-3.9	-5.3
1979	-1.0	-10.2	2.7	-1.3	-0.1	-2.1	-1.3	-0.8	-1.1	-0.7	2.9	2.5
1978	-3.7	-9.3	-4.5	-1.5	-1.1	-0.5	-1.9	2.0	0.0	-1.7	0.6	-0.4
1977	-11.7	-0.9	4.9	3.1	2.5	-2.7	0.5	-0.2	1.9	-1.9	2.3	-4.8
1976	-4.4	5.5	3.0	2.8	-3.3	2.2	-3.4	-2.0	-2.5	-4.5	-6.6	-7.8
1975	3.8	0.7	-2.5	-5.9	2.8	-0.1	0.3	-0.1	-3.6	3.1	4.9	-1.1
1974	4.4	-1.3	-0.2	0.7	-2.3	-2.6	-1.8	-0.4	-1.9	-3.4	0.9	1.3
1973	3.7	-1.6	5.8	0.8	-4.2	2.0	0.3	1.3	0.4	1.9	1.7	0.6
1972	3.4	-4.6	-3.2	-3.5	0.7	-3.9	-0.4	-1.2	0.7	-4.2	-3.2	2.8
1971	-3.7	-0.2	-2.9	-2.2	-3.0	1.9	-1.6	-1.5	3.6	6.0	-1.1	3.3
1970	-8.0	-2.5	-5.3	-0.3	1.9	-1.5	-0.1	0.9	3.1	3.5	2.4	0.2
1969	-0.3	-0.6	-2.7	0.9	0.1	0.8	-0.7	-0.4	0.2	-1.2	-1.2	-4.0
1968	-5.4	-3.4	1.5	2.0	-4.8	-1.8	0.2	0.9	1.1	1.8	0.3	-3.3
1967	6.2	-5.3	-3.4	-0.2	-8.1	2.3	-1.8	-2.1	-2.2	-1.5	-4.2	0.6
1966	-1.1	-1.3	0.7	-4.0	-4.4	0.3	1.3	0.6	-3.0	-2.9	0.2	-1.5
1965	-2.4	-2.0	-3.8	-4.1	2.5	-2.0	-2.7	-1.3	1.5	-2.4	-0.3	2.3
1964	0.6	-3.7	0.3	-2.7	1.2	-0.7	1.4	-3.6	-0.2	-2.7	2.4	-0.2
1963	-3.8	-9.7	0.1	-0.3	-3.4	-0.6	-1.0	-3.4	-4.4	3.7	3.2	-7.1
1962	-0.2	-2.4	-1.7	-0.3	2.8	0.5	-2.7	-1.2	-4.4	0.5	-3.4	-6.8
1961	-5.3	0.8	0.1	-4.3	-3.5	-0.4	-0.2	0.1	6.1	2.3	1.5	-1.8
1960	5.4	3.2	-10.6	4.5	-2.6	-0.8	-3.0	1.2	1.7	-0.4	0.9	-10.3
1959	0.7	0.3	-1.2	2.2	4.0	2.2	1.9	3.9	4.6	4.2	-1.2	1.6
1958	1.7	-4.7	-0.9	2.3	-1.9	-3.7	1.7	-0.3	0.4	0.0	1.9	-8.1
1957	-0.7	4.9	0.6	3.0	0.6	3.8	0.2	-1.2	2.3	-1.2	1.6	3.9
1956	3.1	3.8	-2.4	-1.8	-2.8	1.9	-2.3	-1.1	-2.5	1.7	1.0	5.4
1955	0.6	-0.2	1.3	3.8	3.2	-1.1	5.7	4.7	0.8	2.7	-2.1	-5.0
1954	0.0	6.7	-0.3	3.6	-2.6	1.3	-0.9	-1.6	1.7	4.3	-1.0	-1.1
1953	7.0	5.4	1.8	-1.0	2.8	1.2	0.8	-0.2	1.2	3.1	0.6	3.2
1952	5.3	4.3	-1.0	1.8	-2.0	3.5	3.4	0.5	0.9	-3.2	1.4	1.4
1951	4.2	2.4	0.2	0.2	0.8	0.2	0.5	-0.1	1.1	2.8	-4.8	-0.7
1950	11.0	0.7	-5.2	-4.1	0.2	-0.3	-1.9	-0.7	-1.9	3.3	0.6	-4.7
1949	8.3	5.7	1.2	0.2	0.9	3.8	4.0	2.1	-2.5	5.5	-0.6	1.1
1948	-6.2	-2.3	2.2	1.8	-0.4	-0.9	0.7	0.5	1.7	-1.2	4.8	0.1
1947	7.1	-3.7	-4.8	0.4	-0.6	-1.0	-1.6	3.2	1.9	7.0	-2.7	-1.9
1946	3.0	0.2	8.5	0.0	-0.6	-1.4	-0.3	-3.9	1.9	4.6	3.4	1.4
1945	-5.9	-0.3	10.9	3.6	-3.0	-0.6	-1.0	-1.4	2.5	-0.3	0.7	-5.8
1944	4.9	1.4	-3.4	-2.8	7.0	1.8	1.1	2.3	1.2	-1.0	0.6	-5.6
1943	2.2	2.5	0.9	-4.9	2.7	6.4	2.1	2.0	-0.8	-0.5	-2.3	-2.5
1942	1.7	-0.9	3.6	5.1	4.6	2.1	1.3	0.4	2.8	3.6	1.0	-3.3
1941	1.3	-2.3	-5.3	5.8	2.8	1.7	1.6	-1.3	3.1	5.9	2.9	3.7
1940	-5.6	0.8	-5.9	-3.4	1.8	0.3	0.4	-1.7	-1.3	-2.2	0.6	3.4
1939	3.6	4.5	1.2	-1.1	4.1	2.5	0.1	3.5	2.6	1.1	-1.4	2.7
1938	2.8	4.5	4.3	2.2	-0.5	0.0	1.4	4.3	-0.6	5.0	1.7	0.8
1937	9.7	2.9	-2.6	-0.8	1.7	2.9	1.1	3.8	-1.5	-1.2	0.3	-2.6
1936	-2.6	-7.9	4.8	-1.8	3.8	1.2	1.8	2.8	3.5	2.6	-2.5	2.4
1935	0.6	0.5	4.3	-0.9	-3.4	0.0	3.5	1.1	-0.8	1.1	3.6	-4.7
1934	6.3	-8.6	-2.4	1.7	3.7	6.2	4.5	-1.1	4.2	0.6	4.3	-0.5
1933	10.5	3.1	0.3	3.1	3.2	4.8	1.7	1.2	3.8	0.1	-2.8	-0.4
1932	14.7	6.4	-3.4	-1.2	1.5	1.6	1.4	2.8	2.8	2.5	-1.8	0.8
1931	2.9	3.2	-0.3	0.4	1.7	1.5	4.2	1.3	7.3	4.2	8.3	5.9
1930	2.9	6.6	1.6	-0.7	2.5	2.7	1.9	0.2	5.7	-0.3	0.7	-1.6
1929	1.4	0.9	6.5	3.5	0.1	1.3	0.7	-1.8	3.7	-0.7	0.8	0.4
1928	4.4	2.2	-0.2	-1.5	-0.2	-1.1	1.7	4.1	-1.9	3.5	2.4	3.2
1927	0.7	6.1	4.8	-0.6	-0.5	-3.3	0.4	-4.2	1.9	4.0	5.1	1.2
1926	2.0	0.0	-3.1	-2.0	0.2	-2.8	0.6	2.2	1.4	0.3	-0.5	-5.1
1925	-2.3	6.8	3.9	2.7	-3.2	5.6	-0.7	-0.2	5.0	-4.8	-1.5	-0.5
1924	2.9	-0.8	-0.6	-2.3	-3.6	-1.6	-1.8	0.2	-2.5	0.9	-0.6	-1.6
1923	1.8	-3.6	0.1	0.7	0.4	4.7	-0.8	-0.9	2.4	-0.1	-0.6	7.6
1922	-1.6	4.7	2.3	1.6	3.8	2.7	0.5	-0.6	3.7	3.7	1.4	-0.8
1921	4.1	4.4	10.2	7.3	0.8	3.6	4.9	-1.6	6.6	1.2	1.3	-0.9
1920	-5.9	-2.9	0.9	-1.0	-2.4	0.2	-1.8	0.6	1.7	6.1	-0.5	1.7
1919	5.9	4.1	4.3	0.8	1.6	4.1	1.2	-2.0	1.6	6.0	0.2	-6.7
1918	-9.5	-0.5	3.9	0.6	6.5	-1.1	-1.1	3.6	-3.6	4.1	0.8	4.4
1917	2.1	-2.2	-0.2	0.9	-5.1	0.2	0.9	2.1	-4.1	-3.5	-3.7	-9.9
1916	7.7	-2.5	-7.6	-0.1	2.9	-3.2	3.1	1.9	0.1	0.8	-0.1	-1.6
1915	2.6	4.6	-3.0	6.0	-2.2	-1.4	-0.3	-1.2	4.5	3.0	0.5	-2.5
1914	2.9	-6.6	-2.7	-0.7	3.0	1.4	0.0	1.9	-1.0	5.7	-0.3	-4.5
1913	10.0	-0.7	5.6	3.3	-0.1	1.4	0.7	0.4	-0.1	4.3	2.8	2.6
1912	-7.5	-3.9	-3.3	2.0	2.6	-1.2	0.0	-2.5	3.0	3.2	2.3	2.7
1911	4.8	2.2	-2.7	-1.8	6.6	1.2	2.5	1.6	2.2	1.1	-2.8	4.5
1910	0.5	-1.6	6.8	5.5	-1.3	-1.3	1.6	-0.1	3.2	4.6	-3.7	-7.4
1909	4.3	8.0	-1.4	1.1	1.5	1.7	-1.9	-0.7	0.6	-2.6	4.4	-4.1
1908	2.9	-3.9	3.0	2.2	3.0	2.2	3.0	-0.6	3.0	4.0	0.0	0.2
1907	2.4	-6.3	3.0	-3.6	-3.5	-3.6	0.3	-1.7	2.6	-2.8	-0.5	1.1
1906	8.7	-0.1	-5.1	1.7	1.5	2.5	0.0	3.7	4.5	0.9	0.8	-1.1
1905	-1.1	-7.1	0.3	0.5	2.4	0.9	1.3	-0.5	1.5	2.6	-1.8	2.4
1904	-7.4	-6.8	-2.6	-2.8	3.3	1.0	-0.8	-1.7	1.1	-0.7	-2.7	-6.3
1903	0.6	2.0	8.8	0.6	2.6	-3.5	-0.5	-2.8	0.5	2.4	-4.0	-5.4
1902	-0.9	-3.6	4.5	0.1	0.6	-0.8	0.4	-1.8	0.3	1.9	6.0	-3.7
1901	3.3	-6.2	-0.2	-0.5	0.6	2.2	5.7	2.7	1.3	0.8	-5.2	-2.4
1900	3.8	-0.7	-6.3	1.3	1.9	3.2	3.1	4.8	5.9	7.1	3.6	0.3
1899	-0.5	-5.2	-1.0	0.9	2.0	2.8	1.1	0.9	-0.9	2.8	-0.3	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