Mount Everest Summit Temperatures: -36 °C Avg Winter, -63 °C Record Low

SeasonAverage TempExtremes
Winter−36 °C (−33 °F)Record low: −63 °C (−81 °F) (Mar 1979)
Summer−19 °C (−2 °F)Record high: 0.7 °C (33 °F) (May 1996)

Wind chill makes it feel far colder. Climbers face frostbite risk within minutes of exposed skin.

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