When was the hottest summer in history?

June-August 2023 was also the Northern Hemisphere's hottest meteorological summer on record, at 2.59 degrees F (1.44 degrees C) above average. The season, which also marks the Southern Hemisphere's winter, was the Southern Hemisphere's warmest winter on record at 1.53 degrees F (0.85 of a degree C) above average.



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The summer of 2023 was Earth's hottest since global records began in 1880, according to scientists at NASA's Goddard Institute of Space Studies (GISS) in New York.

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The scorching summer of 2023 reaches 'mind-blowing' high temperatures. Death Valley hit 129°F (120°F at night), China set its all-time heat record, and a heatwave continues to roast Europe.

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