Saudi Arabia, Mali and Mauritania also made the list but these are still on the cool side compared to the top ranking two.
So remember, if the heat in Britain is getting you hot and bothered, it could be a lot worse...
London Heatwave
(01 of10)
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LONDON, ENGLAND - JUNE 30: People cool off in a fountain outside the Southbank Centre on June 30, 2015 in London, England. The UK is currently experiencing a heatwave, with temperatures of 35 degree celsius forecast tomorrow in some parts of the country. The extreme heat has already seen train cancellations and a health warning has been issued. (Photo by Rob Stothard/Getty Images) (credit:Rob Stothard via Getty Images)
(02 of10)
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Woman reads her book by The Serpentine, in Hyde Park, on June 30. (credit:John Stillwell/PA Wire)
(03 of10)
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People cool off in part of the Princess Diana Memorial Fountain in Hyde Park, London, on June 30. (credit:John Stillwell/PA Wire)
(04 of10)
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(credit:John Stillwell/PA Wire)
(05 of10)
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People cool off in a fountain outside the Southbank Centre on June 30, 2015 in London, England. (credit:Rob Stothard via Getty Images)
(06 of10)
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(credit:NIKLAS HALLE'N via Getty Images)
(07 of10)
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LONDON, ENGLAND - JUNE 30: Spectators enjoy the hot weather during day two of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on June 30, 2015 in London, England. (Photo by Carl Court/Getty Images) (credit:Carl Court via Getty Images)
(08 of10)
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A group of teenagers play in a water fountain in central London on June 30, 2015. Temperatures soared above 40 degrees (104 degrees Fahrenheit) in Spain and Portugal on Monday prompting health concerns and the scorching heat was expected to move north to France and Britain later in the week. AFP PHOTO / NIKLAS HALLE'N (Photo credit should read NIKLAS HALLE'N/AFP/Getty Images) (credit:NIKLAS HALLE'N via Getty Images)
(09 of10)
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Two women enjoy the afternoon sunshine on the banks of the river Thames at low tide near the south bank centre in London on June 29, 2015. Britain is set for a heatwave over the coming days as temperatures could rise to as high as 35 degree centigrade.AFP PHOTO / NIKLAS HALLE'N (Photo credit should read NIKLAS HALLE'N/AFP/Getty Images) (credit:NIKLAS HALLE'N via Getty Images)
(10 of10)
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A man sunbathes beside the River Thames in central London on June 30, 2015. Temperatures soared above 40 degrees (104 degrees Fahrenheit) in Spain and Portugal on Monday prompting health concerns and the scorching heat was expected to move north to France and Britain later in the week. AFP PHOTO / NIKLAS HALLE'N (Photo credit should read NIKLAS HALLE'N/AFP/Getty Images) (credit:NIKLAS HALLE'N via Getty Images)