The hottest temperature at a long-record station in each state
California has the highest reading among the stations tracked here, 126°F on July 28, 1995. Hawaii's highest sits at the other end, at 97°F.
Every state
Highest reading, °F, top 12 states
| California | 126 | Jul 28, 1995 |
| Arizona | 125 | Jul 29, 1995 |
| Nevada | 122 | Jul 1, 2013 |
| Kansas | 121 | Jul 18, 1936 |
| Arkansas | 119 | Aug 4, 1897 |
| North Dakota | 119 | Jul 6, 1936 |
| South Dakota | 119 | Jul 5, 1936 |
| Texas | 119 | Jun 28, 1994 |
| Missouri | 118 | Jul 18, 1936 |
| Nebraska | 118 | Jul 24, 1936 |
| Oklahoma | 118 | Aug 12, 1936 |
| Iowa | 117 | Jul 25, 1936 |
| Montana | 117 | Jul 20, 1893 |
| Oregon | 117 | Jun 28, 2021 |
| Utah | 117 | Jul 11, 2021 |
| New Mexico | 116 | Jun 29, 1918 |
| Washington | 116 | Jun 29, 2021 |
| Idaho | 115 | Jun 29, 2021 |
| Illinois | 115 | Jul 14, 1954 |
| Colorado | 114 | Jun 24, 2012 |
| Indiana | 114 | Jul 14, 1936 |
| Mississippi | 114 | Jul 13, 1930 |
| Wisconsin | 114 | Jul 13, 1936 |
| Kentucky | 113 | Jul 28, 1930 |
| Minnesota | 113 | Jul 21, 1934 |
| Ohio | 113 | Jul 21, 1934 |
| Georgia | 112 | Jul 24, 1952 |
| Tennessee | 112 | Jul 28, 1952 |
| West Virginia | 112 | Jul 11, 1936 |
| Michigan | 111 | Jul 13, 1936 |
| Pennsylvania | 111 | Jul 10, 1936 |
| South Carolina | 111 | Sep 8, 1925 |
| Wyoming | 111 | Jun 29, 1919 |
| Alabama | 110 | Jul 30, 1952 |
| Louisiana | 110 | Aug 27, 2023 |
| North Carolina | 109 | Jul 28, 1940 |
| Virginia | 109 | Jul 30, 1893 |
| New Jersey | 108 | Jul 22, 2011 |
| Florida | 107 | Jul 15, 1980 |
| New York | 107 | Jul 3, 1966 |
| Connecticut | 106 | Jul 15, 1995 |
| Massachusetts | 106 | Jul 4, 1911 |
| Maryland | 106 | Jul 22, 2011 |
| Delaware | 104 | Jul 5, 2026 |
| Maine | 104 | Jul 10, 1911 |
| New Hampshire | 104 | Jul 3, 1911 |
| Rhode Island | 104 | Aug 2, 1975 |
| Vermont | 104 | Aug 21, 1916 |
| Alaska | 97 | Jul 10, 1915 |
| Hawaii | 97 | Sep 16, 2019 |