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	27.2	29.8	38.5	48.8	59.6	67.7	72.8	70.8	63.0	51.9	42.2	32.1
2024	-10.6	3.2	4.0
2023								-2.1	0.6	3.1	-1.4	4.8
2023	9.2	3.8	-0.8	3.5	-3.4	-2.8	0.3	-2.1	0.6	3.1	-1.4	4.8
2022	0.6	1.8	-0.3	-2.3	1.3	-0.7	0.5	2.2	0.6	-2.4	1.3	-0.7
2021	2.3	-3.3	1.8	1.1	-0.7	1.1	-1.1	2.0	1.4	5.3	-1.4	1.9
2020	3.9	5.6	4.5	-2.9	-2.2	0.3	2.8	1.1	-0.4	1.2	1.2	0.4
2019	1.3	0.1	-2.2	3.5	1.6	-0.9	1.6	0.6	2.1	3.5	-5.3	-0.7
2018	-1.7	5.6	-4.3	-4.3	4.4	-0.6	1.2	2.3	4.0	3.5	-4.6	3.4
2017	3.6	5.0	-4.3	5.0	-1.4	-2.1	1.1	-3.2	2.2	8.1	-1.1	-5.1
2016	-0.7	3.0	5.5	-0.5	-1.9	0.3	1.1	2.6	3.5	0.5	1.4	2.8
2015	-4.6	-12.7	-6.9	-0.3	4.3	-1.2	-1.6	-0.9	4.3	-0.5	3.8	11.4
2014	-6.9	-6.3	-8.6	-1.3	-0.3	0.4	-2.5	-3.0	-0.1	2.2	-3.3	2.2
2013	1.6	-2.0	-3.2	0.7	-0.8	0.4	1.6	-3.3	-2.1	2.0	-3.5	-1.5
2012	3.6	5.2	8.6	-0.1	3.8	-1.1	1.9	-0.1	-0.5	1.6	-4.6	4.3
2011	-4.3	0.1	-0.3	1.4	2.5	1.6	3.4	-1.0	4.5	1.9	2.8	4.2
2010	1.5	-1.0	6.6	4.4	2.4	3.9	2.8	2.4	4.2	0.9	-0.3	-2.8
2009	-4.6	1.2	-0.5	1.3	-0.1	-1.1	-3.7	1.5	-0.5	-1.1	4.5	-1.4
2008	4.2	0.3	0.6	2.3	-3.8	2.7	1.2	-1.8	2.7	-1.3	-1.3	0.4
2007	5.8	-7.2	-0.5	-2.6	2.3	1.5	-1.6	0.8	3.3	7.9	-1.6	0.5
2006	8.8	-26.6	0.9	3.2	0.3	1.4	2.5	1.3	-1.1	-0.7	4.9	7.3
2005	-0.5	1.1	-5.0	2.8	-3.9	3.9	2.3	3.4	4.8	3.2	2.6	-3.4
2004	-5.6	0.2	1.3	0.8	5.8	-0.6	-1.3	-0.1	2.6	-0.4	2.3	0.0
2003	-4.3	-4.6	0.5	-1.9	-2.7	-1.8	0.5	3.4	1.9	-2.3	4.2	0.8
2002	6.8	6.2	2.3	2.7	-3.2	1.9	1.8	3.3	3.1	-1.2	-1.4	-2.8
2001	-0.4	2.2	-3.6	0.1	0.8	1.0	-3.8	2.4	-0.5	1.1	4.5	6.3
2000	-0.4	0.9	5.4	0.2	2.2	0.0	-2.5	-1.3	-1.4	1.0	-1.2	-6.9
1999	1.6	2.6	-2.0	0.2	0.1	1.2	4.1	0.3	2.0	-1.2	5.3	2.3
1998	9.2	8.0	3.8	2.0	3.9	-1.2	-1.3	0.8	2.0	0.7	-0.1	5.2
1997	0.2	6.2	1.0	-1.8	-3.6	-0.4	-0.9	-1.9	-1.2	0.0	-3.0	1.5
1996	-1.4	0.5	-3.0	0.0	-2.3	1.9	-2.7	0.3	1.3	0.0	-4.4	3.4
1995	5.8	-2.3	3.9	0.2	-0.2	2.1	3.1	3.0	1.2	4.8	-4.4	-4.3
1994	-6.5	-4.4	-2.9	5.0	-2.3	4.2	2.8	-1.8	-0.6	-0.4	4.4	4.5
1993	6.2	-2.9	-4.1	0.9	3.9	2.0	4.7	2.8	0.2	-0.4	0.9	1.0
1992	4.2	3.7	-1.3	-0.5	-1.2	-1.4	-0.1	-1.5	0.3	-2.3	0.9	1.1
1991	1.8	5.9	3.7	2.6	6.7	4.1	1.5	2.4	1.0	1.7	0.8	3.1
1990	9.0	6.7	3.9	2.1	-1.7	0.5	1.0	0.0	-0.6	4.7	2.6	4.2
1989	6.1	0.6	-0.1	-1.0	-1.9	1.4	-0.6	-0.7	1.1	2.2	-1.5	-11.6
1988	-3.9	0.2	1.8	-0.9	2.1	-0.1	4.3	2.7	-1.7	-3.8	1.9	-0.3
1987	-0.9	-1.2	2.4	0.9	1.6	2.1	0.7	-0.6	0.1	-3.5	1.2	2.2
1986	1.9	-3.4	1.9	0.3	4.8	-1.1	1.0	-1.4	-0.3	1.8	-2.9	0.8
1985	-1.8	1.5	3.2	3.3	2.9	-1.6	-1.9	-0.7	1.4	2.0	3.7	-4.6
1984	-3.5	5.7	-5.3	-1.5	-2.1	0.8	-2.0	2.1	-2.0	5.0	-1.0	6.3
1983	2.5	0.9	2.1	-1.4	-3.2	0.4	2.2	2.7	1.2	1.6	0.1	-3.0
1982	-8.0	-0.5	-3.3	-2.7	1.6	-3.2	-0.3	-3.1	0.2	1.3	3.5	6.2
1981	-6.6	4.3	-1.7	1.9	0.1	0.7	-0.3	-1.8	-0.8	-3.2	0.2	-1.2
1980	1.6	-4.1	-1.8	2.5	2.2	-1.9	1.6	4.3	3.5	-1.0	-4.3	-5.4
1979	0.1	-10.5	2.1	-0.5	0.5	-2.4	-1.8	-0.3	0.0	-0.8	3.7	2.1
1978	-3.6	-9.4	-4.8	-1.9	-2.1	-0.9	-3.0	0.2	-1.7	-1.5	0.7	-0.4
1977	-11.6	-2.7	3.0	1.1	1.3	-3.1	-0.6	-1.3	0.2	-2.1	0.2	-4.0
1976	-5.8	4.7	1.6	1.7	-3.3	2.2	-3.9	-2.0	-3.0	-6.4	-7.8	-8.0
1975	2.6	0.1	-3.9	-5.7	2.2	-0.5	-0.6	0.7	-3.6	3.1	5.2	-1.2
1974	2.7	-2.3	-1.2	1.2	-2.5	-3.2	-1.8	-0.5	-2.0	-4.5	0.0	0.6
1973	2.7	-2.8	4.4	-0.1	-5.1	2.0	-0.3	1.4	0.3	1.6	0.4	0.8
1972	2.1	-5.2	-3.9	-4.2	-0.8	-4.5	-0.6	-2.0	0.2	-5.0	-3.6	1.6
1971	-5.3	-1.3	-3.8	-2.9	-3.9	0.9	-2.2	-2.2	2.9	4.9	-2.3	2.9
1970	-7.8	-2.2	-5.0	-1.1	0.8	-1.9	-0.8	0.1	2.1	2.3	1.0	-1.5
1969	-2.4	-2.1	-4.1	0.7	-1.1	-0.7	-3.0	-1.4	-0.1	-0.9	-1.9	-4.6
1968	-7.2	-5.1	0.4	1.2	-6.0	-2.6	-1.1	-0.6	0.2	0.4	-2.1	-5.1
1967	3.9	-6.8	-5.0	-1.8	-8.9	1.0	-2.9	-3.7	-3.7	-2.8	-6.3	-1.0
1966	-3.0	-2.8	-1.2	-5.5	-5.6	0.3	0.5	-0.4	-4.0	-3.9	-0.7	-2.9
1965	-3.6	-1.7	-3.7	-3.5	2.6	-1.4	-3.4	-2.8	0.1	-3.8	-2.6	0.3
1964	1.8	-3.2	0.7	-1.6	2.3	-0.1	0.9	-3.7	0.1	-3.4	1.6	-0.6
1963	-3.9	-8.4	1.1	1.8	-1.2	0.8	0.4	-2.6	-2.4	4.8	3.8	-6.3
1962	-0.2	-2.7	-0.8	0.9	2.3	2.0	-2.1	-1.0	-3.2	0.7	-3.4	-5.6
1961	-5.5	1.7	0.7	-2.9	-2.4	0.5	0.4	0.2	7.1	2.8	2.2	-1.5
1960	4.5	3.7	-8.9	5.7	-0.9	1.1	-1.6	1.7	1.4	0.9	1.7	-6.6
1959	0.5	-0.5	-0.9	3.1	3.7	2.2	1.1	2.5	4.7	3.7	-0.6	2.0
1958	1.6	-4.4	-0.7	3.0	-2.2	-3.5	1.4	0.3	0.1	-0.3	0.9	-7.9
1957	-1.4	4.1	0.8	2.9	0.3	3.8	0.0	-1.6	2.2	-1.0	2.1	4.1
1956	2.8	3.8	-3.1	-1.6	-2.6	1.7	-3.2	-0.8	-2.4	1.7	0.2	5.3
1955	0.5	1.0	0.8	4.1	2.7	-1.5	5.1	3.7	-0.5	2.8	-2.6	-4.9
1954	-0.7	6.6	0.0	2.9	-2.9	1.5	-0.5	-1.7	1.1	4.4	-1.4	0.1
1953	5.8	4.7	1.1	-0.7	1.7	1.3	-0.1	-1.0	1.0	2.6	0.2	3.5
1952	4.4	3.0	-2.3	1.9	-2.8	2.2	1.7	-1.1	0.1	-3.8	0.2	1.3
1951	3.9	1.2	-0.6	0.0	0.4	-0.8	-1.4	-1.7	-0.5	2.1	-5.9	-0.2
1950	9.5	-1.2	-5.1	-3.3	-1.7	-1.3	-2.9	-1.4	-3.0	2.4	-0.1	-4.2
1949	7.2	4.3	1.1	0.3	0.0	3.3	3.3	1.2	-2.9	4.0	-1.7	0.9
1948	-7.4	-3.2	0.8	0.3	-0.7	-0.9	-0.6	-0.2	0.9	-1.6	4.4	-0.7
1947	5.4	-5.0	-5.2	-0.6	-1.4	-2.3	-2.3	1.9	0.6	6.3	-3.4	-2.7
1946	1.6	-1.4	7.4	-0.9	-1.0	-2.1	-1.2	-4.6	1.5	4.5	2.5	0.9
1945	-7.0	-0.9	9.3	2.9	-3.6	-0.5	-1.7	-1.9	2.5	-1.1	-0.4	-6.1
1944	3.2	-0.7	-4.9	-3.7	4.7	0.7	0.4	1.3	0.7	-1.6	-0.8	-5.3
1943	1.4	-0.2	-1.8	-6.1	1.0	5.1	0.0	0.2	-1.5	-1.2	-3.0	-3.9
1942	-1.2	-2.6	1.8	3.6	2.5	0.4	-0.3	-1.9	0.6	1.7	0.5	-3.8
1941	-0.3	-2.6	-6.5	6.7	2.0	0.6	0.2	-1.6	3.1	4.8	2.0	2.4
1940	-6.7	-0.2	-6.5	-4.5	-0.8	-0.9	0.1	-2.9	-1.5	-3.3	-0.9	2.6
1939	1.7	3.5	-1.7	-2.8	3.2	2.0	-0.3	3.0	2.0	0.8	-2.4	1.0
1938	1.0	2.4	3.0	2.6	-1.1	-0.3	1.0	3.4	-1.4	2.8	1.3	0.4
1937	8.5	1.8	-4.4	-1.4	2.4	2.5	0.0	2.2	-1.5	-1.3	-0.5	-1.8
1936	-3.4	-8.1	4.9	-2.5	3.6	0.8	1.5	2.4	2.6	1.4	-3.6	2.6
1935	-0.8	-1.2	2.8	-1.5	-3.6	-0.2	1.8	0.1	-1.4	1.5	3.3	-5.2
1934	4.0	-12.2	-4.5	-0.7	1.6	4.0	1.9	-2.8	2.9	-1.2	2.9	-1.3
1933	9.0	0.9	-1.8	1.3	1.9	2.5	-0.8	-0.6	2.4	-1.0	-4.7	-1.8
1932	12.9	4.4	-4.9	-2.3	-0.3	-0.1	-1.3	0.8	1.9	1.4	-3.5	0.8
1931	2.4	1.7	-1.6	-0.2	0.1	1.0	2.3	0.4	6.1	3.5	6.5	5.4
1930	1.3	4.3	-0.5	-2.6	1.8	2.0	0.5	-0.6	4.2	-1.6	-0.3	-0.6
1929	0.2	-0.6	4.8	1.9	-1.1	0.7	-0.8	-3.7	1.8	-2.3	-0.5	-0.7
1928	3.0	0.2	-2.4	-2.4	-1.9	-2.3	0.3	1.8	-3.0	2.5	1.0	2.0
1927	-1.0	4.2	1.7	-2.4	-2.6	-3.8	-1.0	-6.3	0.7	2.8	3.8	1.0
1926	0.8	-2.5	-5.3	-2.9	-1.5	-4.1	-0.8	0.3	-0.6	-1.2	-2.0	-5.5
1925	-3.6	5.1	2.8	1.7	-3.7	4.9	-2.0	-1.6	3.1	-6.5	-2.9	-1.0
1924	1.6	-3.3	-2.0	-3.1	-4.3	-2.6	-2.7	-0.9	-3.5	0.6	-2.0	-2.2
1923	-0.1	-6.0	-2.9	-0.2	-1.3	4.3	-2.2	-2.2	1.0	-1.2	-1.9	5.9
1922	-2.6	2.4	0.5	0.6	2.8	2.1	-1.1	-1.4	2.2	3.0	0.0	-1.5
1921	3.0	2.4	8.0	6.9	-0.1	2.0	3.2	-2.7	5.0	-0.2	-0.5	-1.5
1920	-7.2	-4.4	-0.7	-2.0	-3.5	-0.5	-2.5	-1.1	0.7	5.1	-1.8	1.9
1919	4.5	2.5	2.0	-0.8	0.1	1.1	-0.6	-2.8	0.6	4.7	-1.4	-6.0
1918	-9.8	-2.7	0.9	-0.4	4.8	-2.5	-1.9	2.0	-4.7	2.8	-0.7	3.3
1917	1.3	-4.3	-2.1	-0.4	-6.9	0.0	-0.3	0.2	-4.9	-5.2	-5.5	-9.0
1916	5.9	-4.5	-9.2	-1.0	0.7	-4.4	1.1	0.9	-0.8	-0.2	-1.7	-2.7
1915	2.3	3.6	-4.1	5.0	-3.7	-2.1	-1.3	-3.0	3.0	1.6	-1.0	-2.1
1914	1.4	-7.7	-4.5	-2.3	2.5	-0.6	-1.9	0.9	-1.9	4.4	-1.6	-3.4
1913	8.6	-2.6	3.3	2.4	-1.0	0.4	-0.3	-0.9	-1.1	3.0	1.9	2.3
1912	-8.1	-5.1	-5.1	0.5	1.4	-1.1	-0.7	-3.1	1.1	2.2	1.1	2.8
1911	3.2	-0.5	-3.5	-3.1	5.0	-0.1	1.9	-0.7	0.6	-1.0	-4.2	3.7
1910	-0.6	-2.9	4.4	4.7	-1.4	-1.9	0.7	-1.9	1.4	3.2	-4.9	-6.8
1909	3.2	5.1	-2.9	-0.4	-0.4	1.0	-2.7	-2.1	-1.0	-4.1	2.6	-4.4
1908	2.3	-4.5	0.7	0.7	1.4	1.5	1.8	-2.3	1.4	2.5	-1.7	-0.6
1907	1.1	-8.1	0.5	-4.5	-5.9	-4.2	-0.8	-2.8	1.3	-4.4	-1.8	2.7
1906	7.0	-1.4	-6.8	0.7	0.2	1.5	-1.5	1.4	3.2	-0.4	-1.2	-1.6
1905	-2.3	-8.3	-1.7	-0.2	0.5	-0.7	0.0	-1.6	0.1	0.9	-3.3	1.5
1904	-7.9	-7.7	-4.0	-3.4	2.5	-0.2	-2.0	-3.5	-0.8	-2.6	-4.8	-7.3
1903	0.1	1.2	6.3	0.1	1.9	-4.9	-1.4	-4.5	-0.5	1.5	-5.4	-5.8
1902	-1.4	-4.1	3.4	-0.1	-1.1	-1.6	-1.3	-3.7	-1.2	1.2	4.9	-3.4
1901	1.6	-7.2	-2.1	-1.1	-1.8	1.2	3.9	0.7	0.4	-0.2	-7.0	-2.3
1900	3.2	-1.3	-6.8	0.4	0.5	1.9	1.8	4.0	4.0	5.9	2.6	-1.7
1899	-1.0	-5.5	-3.0	0.3	0.5	2.9	0.3	-0.4	-1.8	2.2	-1.7	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