The hottest air temperature ever recorded on Earth was 134 °F, in Death Valley, in 1913.
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“In the afternoon hours of July 10, 1913, the United States Weather Bureau recorded a temperature of 134 °F (56.7 °C) at Furnace Creek in Death Valley, which stands as the highest ambient air temperature ever recorded on the surface of the Earth.”
Source: Death Valley, Wikipedia. Checked 2026-10-31.