Alta vs Sun Valley — Snowfall Comparison

Side-by-side snowfall comparison based on 10 years of historical data (2015–2025). See which resort gets more snow, the best months for powder, and how they compare on elevation and location.

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Alta

Utah, USA

Elevation
3,374m / 11,070ft
Annual Snowfall
490cm
Best Month
March
Powder Probability
53%
Season Snowfall
400cm

Sun Valley

Idaho, USA

Elevation
2,789m / 9,151ft
Annual Snowfall
246cm
Best Month
February
Powder Probability
27%
Season Snowfall
220cm

Monthly Snowfall Comparison

MonthAlta (cm)Sun Valley (cm)
November4724.5
December60.344
January78.240.5
February72.648.4
March78.943.2
April62.919

Which Resort Gets More Snow?

Based on 10 years of data, Alta receives more annual snowfall (490cm) compared to Sun Valley (246cm) — a difference of 244cm per year. The best month for powder at Alta is March (53% probability), while Sun Valley's best is February (27% probability).

Snow History: 10 Winters of Data

This comparison draws on 10 consecutive winters of snowfall records (2015–2025) for each resort. Over that span, Alta's snowiest month has been March, averaging 78.9cm but ranging from a lean 41cm in the driest winter to 155cm in the deepest — a swing that shows how much any single season can vary. At Sun Valley, the snowiest month is February, averaging 48.4cm and spanning 7cm to 140cm across the record. Comparing these historical ranges, rather than a single season, is the most reliable way to judge which resort delivers more dependable snow for the dates you want to ski.