July 6, 2023 was the warmest day on record worldwide, with a global average surface air temperature of degrees Celsius. In fact, the top 21 warmest days since records began in 1940 were all registered in July 2023. Until that month, the record had been held by August 13, 2016, with a mean surface air temperatures of **** degrees Celsius.
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World Meteorological Organization. (July 31, 2023). Warmest days on record worldwide from 1940 to 2023, based on global average surface air temperature (in degrees Celsius) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 15, 2026, from /statistics/1407134/warmest-global-average-surface-air-temperatures/
World Meteorological Organization. "Warmest days on record worldwide from 1940 to 2023, based on global average surface air temperature (in degrees Celsius)." Chart. July 31, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 15, 2026. /statistics/1407134/warmest-global-average-surface-air-temperatures/
World Meteorological Organization. (2023). Warmest days on record worldwide from 1940 to 2023, based on global average surface air temperature (in degrees Celsius). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 15, 2026. /statistics/1407134/warmest-global-average-surface-air-temperatures/
World Meteorological Organization. "Warmest Days on Record Worldwide from 1940 to 2023, Based on Global Average Surface Air Temperature (in Degrees Celsius)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Jul 2023, /statistics/1407134/warmest-global-average-surface-air-temperatures/
World Meteorological Organization, Warmest days on record worldwide from 1940 to 2023, based on global average surface air temperature (in degrees Celsius) ÌÇÐÄÆƽâ°æ, /statistics/1407134/warmest-global-average-surface-air-temperatures/ (last visited July 15, 2026)
Warmest days on record worldwide from 1940 to 2023, based on global average surface air temperature (in degrees Celsius) [Graph], World Meteorological Organization, July 31, 2023. [Online]. Available: /statistics/1407134/warmest-global-average-surface-air-temperatures/
