Swiss Glaciers Face Critical Summer with Record-Low Snow Cover

Alarming measurements show Swiss glaciers starting summer season with unprecedented low snow levels, particularly in northeast Switzerland.

Swiss glaciers are experiencing record-low snow cover at the start of summer 2025
There is a 13% deficit in winter snow compared to 2010-2020 reference period
The Silvretta glacier in Graubunden reached a new low with a 52% deficit
North-east Switzerland glaciers showed particularly low snow amounts

0-52%

Snow volume deficit range across surveyed glaciers

Number of glaciers surveyed

13%

Overall snow deficit compared to 2010-2020

"This year's value will be similar in the coming summer due to an earlier disappearance of the protective snow cover"
— Glamos

Record Low Snow Cover Threatens Swiss Glaciers

Swiss glaciers are experiencing record-low snow cover at the start of summer 2025
There is a 13% deficit in winter snow compared to 2010-2020 reference period
The Silvretta glacier in Graubunden reached a new low with a 52% deficit
North-east Switzerland glaciers showed particularly low snow amounts

0-52%

Snow volume deficit range across surveyed glaciers

Number of glaciers surveyed

13%

Overall snow deficit compared to 2010-2020

"This year's value will be similar in the coming summer due to an earlier disappearance of the protective snow cover"
— Glamos