The Hottest Summers in America of All Time

Source: Pascal Rondeau / Getty Images

1989
> Avg temp in August: 60.4°F – #38 highest on 1940-2023 record
> Size of anomaly: -0.6°F from 1991-2020 normal – #19 coldest difference

Source: Space Frontiers / Getty Images

1990
> Avg temp in August: 60.7°F – #27 highest on 1940-2023 record
> Size of anomaly: -0.3°F from 1991-2020 normal – #8 coldest difference

Source: Public Domain / Wikimedia Commons

1991
> Avg temp in August: 60.9°F – #21 highest on 1940-2023 record
> Size of anomaly: -0.1°F from 1991-2020 normal – #3 coldest difference

Source: Public Domain / Wikimedia Commons

1992
> Avg temp in August: 60.2°F – #41 highest on 1940-2023 record
> Size of anomaly: -0.8°F from 1991-2020 normal – #22 coldest difference

Source: Public Domain / Wikimedia Commons

1993
> Avg temp in August: 60.4°F – #39 highest on 1940-2023 record
> Size of anomaly: -0.6°F from 1991-2020 normal – #20 coldest difference