Switzerland · snow history
Aletsch Arena snow history
Aletsch Arena averages about 668 cm of snowfall per season (1 October – 31 May) at the upper mountain, ~2,869 m. The snowiest season since 2017–18 was 2018–19 (891 cm); the leanest was 2022–23 (472 cm).
Season totals
2022–23
472 cm
2021–22
476 cm
2020–21
665 cm
2019–20
709 cm
2018–19
891 cm
2017–18
796 cm
Vertical line: 6-season average.
This season vs average
Season by season
| Season | Snowfall | vs average |
|---|---|---|
| 2022–23 | 472 cm | 71% |
| 2021–22 | 476 cm | 71% |
| 2020–21 | 665 cm | 100% |
| 2019–20 | 709 cm | 106% |
| 2018–19 | 891 cm | 133% |
| 2017–18 | 796 cm | 119% |
Totals are modelled snowfall from the ECMWF IFS analysis archive (via Open-Meteo), downscaled to the upper mountain, summed 1 October – 31 May. Modelled snowfall is not measured snow depth: wind, settling and melt mean the snowpack is always much less than the sum of the snowfall.