What would be the approximate air temperature be at that mount Everest at that altitude?

The air temperature at the summit of Mount Everest, which stands at approximately 8,848 meters (29,029 feet), can drop to around -60 degrees Celsius (-76 degrees Fahrenheit) during the winter months. Even in the warmer summer months, temperatures can remain below freezing, averaging around -20 degrees Celsius (-4 degrees Fahrenheit). Factors such as wind chill can make it feel even colder. Thus, climbers must be prepared for extreme cold regardless of the season.