July also holds the record for the hottest month in the world on record, and the city of Phoenix in the southwestern United States broke the record for its heat wave in 1974, with 31 days of temperatures above 110 degrees Fahrenheit (43 degrees Celsius). Thermal imaging images from late July show a much hotter Phoenix, with street concrete at 66 degrees Celsius, outdoor workers at 41 degrees Celsius (105 degrees Fahrenheit) and homeless people sweating between surfaces as high as 62 degrees Celsius (143 degrees Fahrenheit).
Surface temperature: 62°C
Photo: Carlos Parrea/Reuters
Surface temperature: 40°C
Photo: Carlos Parrea/Reuters
Surface temperature: 65°C
Photo: Carlos Parrea/Reuters
Homeless people sit at a cooling station during a 27-day heatwave that saw temperatures top 110 degrees Fahrenheit (43 degrees Celsius) near downtown Phoenix.
Photo: Carlos Parrea/Reuters
Surface temperature: 61°C
Photo: Carlos Parrea/Reuters
Surface temperature: 48°C
Photo: Carlos Parrea/Reuters
Surface temperature: 41°C
Photo: Carlos Parrea/Reuters
Surface temperature: 49°C
Photo: Carlos Parrea/Reuters
Surface temperature: 41°C
Photo: Carlos Parrea/Reuters
Surface temperature: 49°C
Photo: Carlos Parrea/Reuters
Surface temperature: 47°C
Photo: Carlos Parrea/Reuters
Tramp in a refrigeration plant
Photo: Carlos Parrea/Reuters
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