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	29.0	31.8	40.5	50.9	60.8	69.5	74.1	72.3	64.8	53.2	43.3	33.6
2024	-14.5	6.5	5.7
2023								2.2	4.8	5.6	-0.2	6.7
2023	10.4	8.9	2.9	5.2	-0.5	-1.2	2.6	2.2	4.8	5.6	-0.2	6.7
2022	0.0	3.3	4.1	-0.2	3.6	2.7	3.0	4.0	2.9	-0.9	3.0	0.8
2021	4.2	-1.3	2.7	0.9	0.2	2.3	2.9	4.0	3.7	5.2	-0.2	6.3
2020	7.5	6.4	6.5	-1.6	-1.0	3.0	5.5	3.8	0.8	3.6	4.2	1.7
2019	1.6	1.7	-1.2	3.3	4.2	0.9	3.2	2.1	4.9	5.1	-3.4	1.5
2018	-0.6	6.3	-4.1	-3.4	6.9	0.9	2.2	3.7	3.6	7.6	-3.4	3.0
2017	7.1	8.4	-2.2	6.6	-0.1	1.5	2.4	-2.3	0.2	8.4	-0.7	1.1
2016	-0.7	0.9	6.7	0.3	-2.4	1.9	3.6	4.5	4.2	1.0	-0.6	1.7
2015	-2.4	-10.0	-4.4	1.1	6.3	1.1	0.2	0.2	3.9	0.4	6.2	10.2
2014	-5.8	-5.0	-7.8	-0.3	1.2	2.0	-0.7	-3.1	1.2	3.2	-3.1	3.1
2013	3.6	-0.3	-3.0	2.3	0.4	1.8	2.3	-1.3	-0.3	2.7	-2.5	0.5
2012	4.5	6.2	9.4	1.1	5.6	0.4	3.6	1.0	0.3	1.6	-3.8	5.5
2011	-3.3	0.4	-0.9	4.7	3.2	2.4	4.0	0.7	2.3	-0.2	4.2	5.1
2010	0.4	-3.5	5.1	4.5	2.5	3.6	3.0	1.7	2.8	1.5	-0.5	-5.1
2009	-3.5	1.2	0.0	0.8	0.5	-0.1	-3.2	1.5	-1.0	-1.3	4.1	-1.5
2008	3.7	0.0	0.1	2.2	-3.5	2.8	0.2	-2.3	1.3	-1.2	-0.9	0.1
2007	5.8	-7.5	0.4	-2.6	2.4	1.9	-0.7	1.4	3.0	7.9	-1.1	0.6
2006	8.9	1.0	0.5	2.8	-0.7	0.2	1.8	2.4	-2.1	-0.1	3.7	6.7
2005	1.4	2.3	-3.5	1.3	-4.3	2.2	1.7	2.0	3.5	2.0	2.1	-4.3
2004	-5.0	-1.5	2.8	1.3	6.8	-1.1	-1.1	-0.2	2.2	-0.3	3.2	0.0
2003	-3.6	-4.3	0.0	-0.5	-1.8	-1.9	-0.1	2.5	0.6	-1.4	5.0	-0.6
2002	7.9	6.1	1.9	3.4	-1.1	2.0	2.2	3.4	2.9	-0.2	-0.5	-2.6
2001	0.0	3.8	-2.6	1.7	1.1	1.3	-2.7	3.3	0.0	1.9	5.8	6.2
2000	0.0	2.8	5.6	-0.4	2.2	0.6	-4.4	-1.3	-1.3	2.4	-1.4	-7.4
1999	2.1	3.4	-1.1	0.8	0.8	0.5	3.9	0.5	0.5	-1.4	5.0	2.1
1998	8.8	7.0	2.3	2.6	4.1	-0.3	-0.7	0.8	4.5	2.4	2.1	6.7
1997	0.2	4.7	1.2	-2.1	-3.8	-1.2	-0.8	-1.1	-0.4	1.1	-2.6	1.9
1996	-2.8	-1.2	-4.9	0.6	-2.2	1.9	-2.1	-1.1	0.3	0.3	-5.3	2.4
1995	4.4	-3.5	2.9	-1.4	-0.7	0.3	1.4	2.7	-0.4	3.7	-5.5	-4.8
1994	-7.9	-3.4	-2.6	4.9	-3.0	3.8	1.7	-2.4	-0.9	-0.8	3.8	4.3
1993	4.3	-4.2	-5.3	-1.1	1.5	-0.4	1.7	1.4	-0.2	-1.5	0.1	-1.2
1992	2.5	2.8	-2.5	-1.0	-3.2	-3.3	-1.4	-3.9	-1.5	-3.1	-1.0	-0.6
1991	1.5	4.7	2.6	1.8	6.9	2.8	2.8	2.6	-0.7	1.0	-0.9	2.2
1990	9.1	6.5	4.0	1.4	-1.6	1.1	-0.2	-1.0	-0.9	4.1	3.0	3.5
1989	4.9	0.3	-1.5	-2.4	-2.3	1.0	-1.2	-1.2	-0.5	0.9	-1.5	-12.2
1988	-4.7	-0.7	1.1	-1.5	0.4	0.4	3.5	3.1	-2.7	-4.8	0.1	-1.3
1987	-0.6	-0.9	1.8	-0.5	1.4	2.5	3.0	0.3	0.1	-5.0	0.6	2.4
1986	1.2	-2.2	1.2	1.1	2.9	1.2	1.6	-1.8	0.3	1.7	-3.0	1.3
1985	-2.9	0.7	2.4	3.9	2.1	-1.7	-0.3	-0.5	1.7	2.0	4.5	-3.6
1984	-4.4	4.9	-6.5	-2.2	-2.3	0.9	-2.2	0.3	-2.6	5.5	-2.4	6.3
1983	1.9	0.1	1.2	-2.4	-2.7	-0.1	1.2	2.6	0.7	0.2	0.3	-4.7
1982	-8.0	-1.0	-1.9	-2.9	2.7	-3.1	-0.2	-3.4	-0.9	0.1	2.1	5.6
1981	-4.3	3.7	-2.2	2.6	-0.9	0.7	-0.5	-1.9	-1.5	-3.6	-0.7	-3.1
1980	0.1	-3.8	-3.1	0.9	1.9	-2.1	1.2	2.6	3.1	-2.0	-3.4	-2.8
1979	-1.7	-10.7	2.6	-1.6	-0.2	-2.5	-2.2	-0.9	-0.8	-1.4	3.2	2.3
1978	-4.6	-10.0	-4.3	-1.1	-1.8	-0.8	-3.1	2.3	1.5	-1.9	0.6	1.2
1977	-10.9	-0.8	5.1	2.8	3.3	-1.9	1.1	0.8	2.3	-1.7	1.6	-3.7
1976	-3.4	6.7	3.2	2.7	-2.7	2.0	-3.3	-2.3	-1.7	-4.4	-5.5	-6.3
1975	4.1	0.6	-2.8	-5.0	2.8	-0.3	-0.8	1.5	-3.5	3.6	5.3	-0.9
1974	5.5	-0.7	1.3	2.3	-0.7	-2.5	-0.1	0.8	-1.5	-2.6	0.8	1.7
1973	4.2	-0.8	5.4	-0.3	-3.5	2.4	0.3	1.8	2.2	3.1	2.4	1.1
1972	3.7	-3.6	-1.9	-2.4	-0.1	-4.3	-0.1	-0.9	2.0	-3.4	-3.1	3.1
1971	-3.7	-0.1	-2.9	-1.7	-2.8	1.1	-0.6	-1.4	3.6	5.8	-0.8	5.4
1970	-6.3	-1.2	-4.4	-0.1	3.4	-0.3	-0.4	0.6	4.1	3.6	0.8	0.3
1969	-0.9	-0.2	-2.6	2.4	1.5	2.0	0.0	-0.2	0.6	-0.4	-1.8	-3.6
1968	-4.7	-2.8	2.9	2.2	-3.9	-0.4	1.4	3.0	1.9	2.4	0.3	-3.3
1967	5.8	-4.8	-1.8	1.3	-6.6	1.9	-1.3	-1.9	-1.8	-1.0	-4.1	0.7
1966	-1.9	-1.1	1.8	-4.2	-1.8	2.2	3.6	2.7	-1.0	-1.3	0.4	-1.4
1965	-1.6	-0.6	-3.6	-2.4	4.3	-0.4	-0.5	0.1	3.1	-1.3	-0.1	3.1
1964	1.0	-2.8	0.7	-2.0	2.2	0.8	1.0	-2.4	0.2	-2.4	2.8	0.1
1963	-3.4	-8.6	1.5	1.3	-1.3	0.0	-0.4	-2.4	-2.5	4.8	3.0	-7.0
1962	-0.2	-3.3	-1.8	0.8	3.7	1.0	-2.1	-0.3	-3.4	1.7	-3.1	-5.6
1961	-4.9	0.8	0.9	-4.1	-3.0	-0.3	0.2	0.7	6.1	3.0	2.1	-2.4
1960	4.0	1.5	-10.0	4.8	-1.8	-0.4	-2.5	1.7	1.4	0.4	1.2	-8.7
1959	-0.2	1.0	-1.2	3.0	3.9	1.5	1.3	2.9	3.7	3.9	-2.1	1.8
1958	0.8	-5.3	-2.8	1.4	-1.1	-3.0	1.4	-0.5	0.3	0.1	1.9	-6.9
1957	-1.3	3.9	-0.1	2.8	1.7	3.5	-0.3	-0.8	2.4	-1.6	0.7	2.8
1956	1.8	3.3	-2.5	-2.0	-1.5	1.1	-1.8	-0.4	-2.2	1.3	-0.2	6.5
1955	0.9	-0.6	1.7	3.9	3.1	-2.4	5.0	4.2	0.3	2.7	-3.1	-5.2
1954	0.1	6.4	-0.5	3.9	-2.3	1.6	0.5	-0.8	2.2	4.1	-2.4	-1.0
1953	6.1	5.4	1.8	-0.6	3.9	1.3	1.0	0.2	0.9	2.9	-0.1	2.8
1952	5.1	3.7	-1.8	1.5	-1.1	3.0	2.7	0.5	0.4	-2.8	0.3	1.2
1951	3.3	0.4	-0.1	-0.4	0.3	0.0	0.1	-0.4	0.8	2.9	-5.2	-0.7
1950	10.1	0.0	-5.3	-4.4	-0.9	-0.7	-2.5	-1.4	-3.4	2.5	-0.7	-5.0
1949	6.8	4.7	0.8	-1.6	0.3	1.9	3.2	0.8	-2.9	5.1	-1.5	0.6
1948	-6.5	-2.6	1.6	-0.2	-0.8	-0.6	-0.5	-1.0	-0.3	-2.1	3.0	-0.2
1947	6.2	-5.1	-5.8	0.2	-1.3	-1.3	-2.0	2.6	1.5	6.7	-3.0	-2.0
1946	2.7	0.2	7.9	-0.8	0.3	-1.8	-0.6	-4.9	0.2	3.3	1.9	1.4
1945	-5.3	-0.7	10.4	2.7	-2.4	0.3	-0.5	-1.1	3.1	-0.3	0.4	-5.6
1944	3.1	0.6	-3.6	-3.1	6.7	1.6	1.4	1.9	1.1	-0.5	-0.4	-4.8
1943	1.3	0.9	-0.4	-5.0	2.5	6.3	0.9	2.0	-0.8	-0.5	-2.3	-1.8
1942	0.4	-2.4	2.0	4.0	4.6	1.5	0.7	-1.0	1.0	2.3	0.4	-4.0
1941	0.4	-3.1	-5.5	5.4	3.1	0.6	1.1	-0.7	3.7	6.3	2.2	3.1
1940	-8.4	0.1	-5.7	-4.3	0.7	0.3	1.0	-2.4	-1.7	-2.1	-0.2	3.6
1939	2.0	4.1	0.4	-2.8	3.8	2.5	-0.3	3.5	2.4	1.4	-1.5	1.8
1938	1.9	3.5	3.2	1.5	-0.1	0.4	1.4	3.9	-0.9	2.3	0.4	-0.6
1937	8.1	0.8	-3.3	-1.9	1.5	2.7	0.3	2.3	-2.0	-1.4	-1.0	-1.7
1936	-4.7	-9.4	3.7	-3.2	4.0	0.8	1.7	2.6	2.8	2.3	-3.6	1.0
1935	-1.4	-2.0	3.9	-2.3	-2.6	0.1	3.0	1.2	-1.8	1.3	2.5	-5.7
1934	5.1	-10.2	-4.1	-0.4	2.3	4.6	4.0	-1.9	2.2	-0.4	2.2	-1.2
1933	9.3	0.5	-2.3	0.7	2.9	3.3	0.3	0.5	3.2	-0.4	-4.0	-1.3
1932	12.6	5.5	-4.8	-2.3	0.8	1.1	0.8	2.0	1.9	0.8	-3.6	-0.1
1931	3.3	2.4	-2.5	-1.0	1.3	1.0	3.8	1.1	6.7	4.4	6.3	5.5
1930	0.8	5.1	-0.4	-2.0	2.4	1.6	1.7	0.6	5.4	-1.3	-1.3	-3.2
1929	-0.2	-1.8	4.7	2.1	-0.2	0.5	0.1	-2.6	1.9	-1.7	-0.5	-0.1
1928	2.7	0.4	-1.2	-3.0	-1.2	-1.6	1.0	2.5	-3.2	2.8	1.3	1.5
1927	-0.3	4.3	3.4	-2.6	-0.7	-3.5	0.3	-5.6	1.2	3.4	3.7	0.2
1926	0.2	-1.2	-4.5	-3.2	0.1	-3.4	0.3	1.4	0.4	-0.1	-2.4	-5.3
1925	-2.9	5.0	1.8	1.9	-3.4	5.1	-1.0	-1.5	4.5	-5.3	-3.1	-1.4
1924	1.1	-2.0	-2.1	-3.2	-3.8	-1.6	-1.8	-0.3	-3.7	0.8	-2.0	-2.1
1923	1.7	-4.8	-0.3	-0.7	-0.2	4.5	0.1	-1.1	1.5	-0.7	-2.1	6.9
1922	-2.7	2.5	1.0	0.6	3.2	2.5	0.5	-1.3	2.6	3.2	0.4	-1.1
1921	2.8	2.6	9.3	5.7	-0.1	2.8	3.1	-2.4	5.6	0.4	0.2	-1.1
1920	-6.0	-4.2	0.1	-2.8	-3.0	-0.2	-1.9	-0.4	0.8	5.2	-1.7	0.4
1919	4.3	1.6	2.9	-0.7	1.0	2.0	0.7	-2.0	1.1	6.0	-0.9	-7.7
1918	-11.3	-1.9	3.1	-1.4	6.0	-1.5	-2.2	2.7	-4.2	3.8	-0.6	3.6
1917	0.6	-3.8	-1.5	-0.4	-5.0	0.2	0.1	0.1	-5.1	-4.5	-4.5	-10.3
1916	5.8	-3.9	-7.7	-1.5	2.6	-3.8	1.6	1.0	-1.2	0.2	-1.1	-2.7
1915	0.4	2.4	-5.6	4.4	-2.1	-1.9	-0.9	-1.8	2.9	2.2	-1.5	-3.8
1914	2.7	-8.0	-4.3	-1.7	2.9	1.2	-0.6	1.5	-2.2	4.5	-2.0	-5.5
1913	8.1	-2.2	3.8	1.3	0.0	1.2	0.4	-0.6	-0.6	3.0	1.1	1.8
1912	-9.1	-5.9	-4.4	1.2	2.0	-0.9	-0.6	-2.6	2.1	2.4	0.7	1.4
1911	3.7	0.6	-3.7	-3.5	5.6	1.0	2.6	1.0	2.1	0.4	-4.2	3.1
1910	-1.2	-3.3	5.8	3.5	-1.7	-1.9	1.6	-0.8	2.7	3.8	-5.5	-8.4
1909	1.9	6.1	-3.1	-0.5	0.7	1.7	-1.5	-1.5	-0.7	-3.6	3.3	-5.4
1908	1.1	-5.5	1.6	1.0	1.9	1.4	2.4	-1.7	0.7	2.6	-1.5	-0.8
1907	1.3	-8.0	2.5	-5.4	-3.8	-4.8	0.0	-2.5	1.7	-3.7	-2.8	-0.6
1906	6.7	-2.3	-6.6	0.8	1.3	1.9	-0.7	2.0	3.5	0.0	-0.4	-1.6
1905	-2.5	-9.5	1.0	-0.7	2.8	0.6	1.2	-0.5	0.4	1.4	-3.1	0.5
1904	-8.7	-8.7	-2.8	-4.2	2.6	0.3	-0.8	-2.7	0.3	-1.4	-3.6	-6.9
1903	-1.6	-0.3	6.7	-0.4	2.5	-4.0	0.7	-3.4	-0.6	1.7	-5.1	-6.0
1902	-2.6	-6.8	2.2	-1.4	1.3	-0.5	0.6	-2.8	-1.1	1.8	4.4	-4.4
1901	1.1	-8.2	-0.8	-2.7	-0.3	1.2	4.6	1.4	0.1	0.1	-6.7	-4.0
1900	1.6	-3.1	-7.1	-0.3	1.5	2.4	2.9	5.7	5.2	6.2	1.6	-1.0
1899	-1.9	-8.4	-2.4	0.0	1.8	2.9	0.6	0.3	-1.6	2.3	-1.7	-1.3

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