Average Temperature in Connecticut by Year

This page is a list of the average statewide temperature in the U.S. state of Connecticut for each year from 1895–2022. 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 Connecticut History?

2012 was the warmest year in Connecticut history. Statewide, the average daily high temperature was 62.2 °F, and the average low was 42.6 °F.

What Was the Coldest Year in Connecticut History?

1904 was the coolest year in Connecticut history. Statewide, the average daily high temperature was 54.8 °F, and the average low was 33.8 °F.

Click column headers to sort

Year	Rank	High (°F)	Low (°F)
2022	7	61.4	40.7
2021	5	60.9	41.9
2020	2	61.7	41.9
2019	20	59.4	40.2
2018	13	60.0	41.6
2017	11	60.7	41.2
2016	2	62.2	41.3
2015	20	60.4	39.2
2014	45	58.6	38.7
2013	20	59.6	40.0
2012	1	62.2	42.6
2011	11	60.7	41.0
2010	5	61.2	41.4
2009	40	58.5	39.1
2008	23	59.9	39.5
2007	25	59.8	39.2
2006	7	61.1	41.1
2005	25	59.8	39.2
2004	40	58.6	38.9
2003	65	57.9	38.4
2002	15	60.7	40.2
2001	18	60.9	39.6
2000	53	58.6	38.4
1999	13	61.5	40.1
1998	4	61.6	41.6
1997	50	58.8	38.5
1996	56	58.1	38.6
1995	34	59.3	38.8
1994	37	59.4	38.4
1993	50	59.0	38.3
1992	89	57.6	37.8
1991	10	61.5	40.4
1990	7	61.2	40.9
1989	76	58.2	37.7
1988	60	58.9	37.8
1987	40	59.2	38.4
1986	53	58.7	38.4
1985	45	58.9	38.4
1984	34	59.0	38.9
1983	27	59.6	39.2
1982	76	58.5	37.3
1981	56	58.6	38.2
1980	76	58.5	37.4
1979	40	58.4	39.3
1978	114	57.1	36.3
1977	65	58.3	38.0
1976	95	58.2	37.0
1975	33	58.9	39.2
1974	65	58.5	37.9
1973	19	60.2	39.9
1972	100	57.0	37.5
1971	60	58.4	38.1
1970	84	57.8	37.7
1969	71	57.8	38.2
1968	89	58.2	37.3
1967	107	57.1	37.1
1966	71	58.6	37.3
1965	98	58.1	36.9
1964	71	59.0	37.0
1963	104	58.1	36.3
1962	111	57.3	36.2
1961	60	58.4	38.2
1960	71	58.4	37.6
1959	30	59.5	38.9
1958	115	56.2	37.1
1957	30	60.0	38.4
1956	95	57.6	37.6
1955	45	58.8	38.5
1954	45	58.8	38.6
1953	15	61.1	40.0
1952	27	59.4	39.3
1951	34	59.2	38.8
1950	84	58.0	37.7
1949	15	61.2	39.9
1948	84	58.5	37.1
1947	76	58.2	37.5
1946	37	59.8	37.9
1945	60	58.5	38.0
1944	65	58.8	37.7
1943	100	57.7	37.0
1942	60	58.3	38.2
1941	53	59.3	37.6
1940	124	55.5	36.0
1939	84	58.1	37.4
1938	37	59.1	38.7
1937	45	58.8	38.6
1936	89	57.9	37.5
1935	100	57.4	37.2
1934	104	57.6	36.9
1933	56	58.3	38.5
1932	40	59.2	38.4
1931	24	59.8	39.4
1930	50	59.1	38.1
1929	89	58.2	37.2
1928	84	57.5	38.1
1927	76	58.0	37.8
1926	125	55.9	35.4
1925	76	58.5	37.4
1924	119	57.0	35.6
1923	111	57.6	35.9
1922	76	58.2	37.5
1921	29	60.1	38.6
1920	119	56.4	36.5
1919	71	58.1	37.9
1918	109	57.7	36.0
1917	127	54.8	34.7
1916	119	56.6	36.4
1915	76	58.0	37.8
1914	119	56.9	35.9
1913	30	59.8	38.6
1912	115	57.1	36.0
1911	89	58.0	37.3
1910	95	58.0	37.1
1909	99	57.6	37.1
1908	65	58.7	37.7
1907	125	56.0	35.2
1906	89	58.0	37.3
1905	123	56.9	35.7
1904	128	54.8	33.8
1903	109	57.2	36.6
1902	104	57.5	36.9
1901	115	56.4	36.8
1900	56	59.1	37.7
1899	108	57.5	36.6
1898	65	57.9	38.5
1897	100	57.2	37.4
1896	111	56.8	36.8
1895	115	57.1	36.1