Comparison of Environmental Conditions on Summits of Mount Everest and K2 in Climbing and Midwinter Seasons.

(1) Background: Today's elite alpinists target K2 and Everest in midwinter. This study aimed to asses and compare weather at the summits of both peaks in the climbing season (Everest, May; K2, July) and the midwinter season (January and February). (2) Methods: We assessed environmental conditions using the ERA5 dataset (1979-2019).