U.S. maximum average temperature 2023

In 2023, the maximum average temperature in the contiguous United States reached nearly 19 degrees Celsius. Several of the warmest years on record have all been recorded within the last decade. Just one-degree of warming is significant, as it takes a vast amount of heat to warm up the oceans, atmosphere, and land to this degree.

Maximum average annual temperature in the United States from 1895 to 2023 (in degrees Celsius)

Characteristic	Temperature in degrees Celsius
2023	18.99
2022	18.71
2021	19.1
2020	19.07
2019	17.82
2018	18.38
2017	19.08
2016	19.27
2015	18.93
2014	17.97
2013	17.86
2012	19.83
2011	18.42
2010	18.14
2009	17.87
2008	18.03
2007	18.69
2006	19.12
2005	18.61
2004	18.12
2003	18.39
2002	18.44
2001	18.69
2000	18.51
1999	19
1998	18.68
1997	17.62
1996	17.62
1995	17.97
1994	18.22
1993	17.04
1992	17.85
1991	18.22
1990	18.68
1989	17.76
1988	18.43
1987	18.52
1986	18.28
1985	17.25
1984	17.55
1983	17.26
1982	17.13
1981	18.37
1980	18.02
1979	17.06
1978	17.09
1977	18.1
1976	17.82
1975	17.35
1974	17.96
1973	17.68
1972	17.27
1971	17.52
1970	17.53
1969	17.33
1968	17.34
1967	17.68
1966	17.58
1965	17.48
1964	17.73
1963	18.14
1962	17.76
1961	17.68
1960	17.46
1959	17.86
1958	17.63
1957	17.48
1956	18.29
1955	17.76
1954	18.77
1953	18.76
1952	18.17
1951	17.33
1950	17.56
1949	17.89
1948	17.69
1947	17.71
1946	18.42
1945	17.61
1944	17.68
1943	18.11
1942	17.69
1941	17.82
1940	17.63
1939	18.84
1938	18.46
1937	17.47
1936	18.11
1935	17.6
1934	19.31
1933	18.56
1932	17.64
1931	18.69
1930	17.88
1929	17.18
1928	17.73
1927	17.73
1926	17.71
1925	18.12
1924	17.18
1923	17.45
1922	17.81
1921	18.87
1920	17.06
1919	17.39
1918	17.74
1917	16.94
1916	17.29
1915	17.25
1914	17.63
1913	17.49
1912	16.65
1911	17.76
1910	18.29
1909	17.41
1908	17.88
1907	17.37
1906	17.4
1905	16.97
1904	17.44
1903	16.94
1902	17.43
1901	17.76
1900	18.11
1899	17.18
1898	17.39
1897	17.44
1896	17.63
1895	16.98