Fewer freezing days at Winter Olympic venues

Former Winter Olympic venues around the world are warming, with fewer days below freezing since 1950.

Data shown reflect the days in a given year where the high did not reach freezing at the given Games' highest-elevation Alpine skiing venue.

*Olympic Valley is a valley in California near Lake Tahoe whose name changed in 2021.

Source: Copernicus Climate Change Service: ERA5-Land hourly data from 1950 to present

Graphic: Sam Hart; Illustration: Ashley Burke