Wettervergleich

Weather Review Sion

Sion (German: Sitten) is the capital of the canton of Valais in the inner-alpine Rhône valley. Sheltered by the Alps, it enjoys a relatively sunny, dry climate with only around 600 mm of annual precipitation – the lowest of any major Swiss city. Summers are warm, winters cool with occasional Föhn. Compare the inner-alpine climate of Sion.

All months

January
January in Sion typically shows cold temperatures and frequent frost. Deviati…
February
February in Sion typically shows fluctuating temperatures between frost and t…
March
March in Sion typically shows rising temperatures and changeable spring weath…
April
April in Sion typically shows high weather variability with showers, sunshine…
May
May in Sion typically shows abundant sunshine and warm spring temperatures. D…
June
June in Sion typically shows summer warmth and the first thunderstorm episode…
July
July in Sion typically shows high summer heat, heat wave risk, and dry period…
August
August in Sion typically shows persistent summer warmth with the first signs …
September
September in Sion typically shows golden early autumn with warm days and cool…
October
October in Sion typically shows autumn colours, fog, and the first frosts. De…
November
November in Sion typically shows grey weather, little sunshine, and the first…
December
December in Sion typically shows winter cold, short days, and occasional snow…
Climate Trend Sion
How has the weather in Sion changed over decades?
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