Average Temperature in Pennsylvania by Year

This page is a list of the average statewide temperature in the U.S. state of Pennsylvania for each year from 1895–2023. It is a statewide average over the entire territory of the state, based on data from the NOAA.

State:

Month:

What Was the Hottest Year in Pennsylvania History?

2012 was the warmest year in Pennsylvania history. Statewide, the average daily high temperature was 62.2 °F, and the average low was 41.4 °F.

What Was the Coldest Year in Pennsylvania History?

1917 was the coolest year in Pennsylvania history. Statewide, the average daily high temperature was 55.4 °F, and the average low was 35.0 °F.

Click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	3	61.9	41.1
2022	22	60.4	38.9
2021	5	61.0	41.2
2020	4	61.3	41.0
2019	19	59.9	39.8
2018	21	59.0	40.5
2017	10	60.6	40.6
2016	6	61.7	40.2
2015	25	60.1	38.9
2014	106	57.7	37.2
2013	40	58.8	39.2
2012	1	62.2	41.4
2011	12	60.3	40.5
2010	16	60.4	39.8
2009	58	58.4	38.4
2008	44	59.3	38.4
2007	25	60.1	38.9
2006	7	60.9	40.6
2005	25	60.0	39.0
2004	36	58.9	39.2
2003	74	57.7	38.2
2002	15	60.7	39.8
2001	19	60.6	39.3
2000	53	58.8	38.2
1999	18	61.0	39.1
1998	1	61.9	41.6
1997	74	58.2	37.7
1996	92	57.4	37.8
1995	53	58.8	38.1
1994	74	58.7	37.2
1993	62	58.5	38.0
1992	92	57.3	38.0
1991	8	61.6	39.9
1990	8	61.0	40.4
1989	99	57.5	37.5
1988	70	59.0	37.2
1987	30	59.6	38.9
1986	44	58.8	38.8
1985	53	58.9	38.1
1984	62	58.4	38.1
1983	51	58.9	38.4
1982	80	58.4	37.4
1981	99	57.7	37.3
1980	108	57.8	36.9
1979	99	57.4	37.5
1978	122	56.7	36.1
1977	80	58.3	37.5
1976	119	57.7	36.0
1975	42	58.8	39.0
1974	62	58.5	37.8
1973	22	59.6	39.7
1972	110	57.0	37.3
1971	62	58.4	38.0
1970	70	58.0	38.1
1969	99	57.8	37.2
1968	92	58.2	37.1
1967	114	57.4	36.7
1966	108	58.0	36.5
1965	92	58.2	37.0
1964	74	59.5	36.6
1963	121	58.0	34.9
1962	117	57.7	36.1
1961	74	58.2	37.7
1960	110	57.6	36.8
1959	30	60.0	38.5
1958	123	56.3	36.2
1957	44	59.4	38.1
1956	80	58.0	37.7
1955	44	59.6	38.0
1954	44	59.5	38.1
1953	16	61.1	39.1
1952	36	59.7	38.6
1951	61	59.0	37.6
1950	106	57.6	37.2
1949	12	61.2	39.5
1948	62	59.1	37.3
1947	62	58.6	37.8
1946	25	60.8	38.1
1945	62	58.6	37.7
1944	53	59.0	37.9
1943	99	58.3	36.8
1942	58	58.7	38.1
1941	44	60.0	37.7
1940	126	55.8	36.1
1939	36	59.8	38.3
1938	29	60.2	38.5
1937	62	58.2	38.2
1936	88	58.7	36.9
1935	99	57.8	37.3
1934	70	59.2	37.0
1933	30	59.7	38.8
1932	30	60.1	38.3
1931	12	60.8	40.0
1930	44	60.1	37.4
1929	80	58.5	37.3
1928	80	58.0	37.9
1927	58	58.6	38.1
1926	124	56.3	36.0
1925	88	58.5	37.1
1924	126	56.4	35.6
1923	88	58.7	37.0
1922	42	59.7	38.2
1921	10	61.1	40.1
1920	114	57.0	36.9
1919	40	59.4	38.6
1918	70	58.9	37.2
1917	129	55.4	35.0
1916	99	58.1	36.9
1915	88	57.8	37.8
1914	117	57.7	36.2
1913	24	60.3	38.9
1912	114	57.3	36.7
1911	36	59.3	38.9
1910	92	58.0	37.2
1909	80	58.2	37.5
1908	53	59.2	37.8
1907	124	56.1	36.2
1906	52	58.6	38.7
1905	113	57.2	37.0
1904	128	55.5	35.2
1903	92	57.5	37.6
1902	92	57.6	37.7
1901	110	56.8	37.7
1900	30	59.2	39.2
1899	80	58.2	37.7
1898	30	58.8	39.6
1897	80	57.8	38.0
1896	74	57.7	38.4
1895	120	57.5	35.8