The Hottest Summers in America of All Time

Source: Chris Jackson / Getty Images

2004
> Avg temp in August: 60.7°F – #29 highest on 1940-2023 record
> Size of anomaly: -0.3°F from 1991-2020 normal – #10 coldest difference

Source: Public Domain / Wikimedia Commons

2005
> Avg temp in August: 61.1°F – #14 highest on 1940-2023 record
> Size of anomaly: 0.1°F from 1991-2020 normal – #13 warmest difference

Source: Wathiq Khuzaie / Getty Images

2006
> Avg temp in August: 61.1°F – #17 highest on 1940-2023 record
> Size of anomaly: 0.1°F from 1991-2020 normal – #16 warmest difference

Source: David Paul Morris / Getty Images

2007
> Avg temp in August: 61.0°F – #20 highest on 1940-2023 record
> Size of anomaly: 0.0°F from 1991-2020 normal – ##N/A coldest difference

Source: Spencer Platt / Getty Images

2008
> Avg temp in August: 60.8°F – #24 highest on 1940-2023 record
> Size of anomaly: -0.2°F from 1991-2020 normal – #6 coldest difference