How much does it rain in Switzerland in 2026?

On the northern Plateau, annual precipitation often sits roughly in the 1000-1500 mm band, with rain possible in every season and a summer boost from thunderstorms. Zurich, Bern, Lausanne, and Geneva still need a rain shell as commute kit, not only as hiking gear: Living in Zurich.

The Alps, Alpine foothills, south side of the Alps, and western Jura peaks are among the wetter belts, often around the 2000 mm class in exposed spots. Ticino and the southern Alps stand out for heavy southerly events when moist Mediterranean air piles against the ridge. Spring and autumn peaks are common south of the Alps, and individual days can dump far more rain than a typical Plateau storm. Longer dry stretches also occur more often on the southern side than in the north.

Valais's Rhone Valley and parts of the Engadine sit in rain shadows. MeteoSwiss cites roughly 550-700 mm in parts of the Rhone Valley and 700-1000 mm in much of the Engadine. Those dry sunny pockets still get summer storms higher up and snow at elevation: Best climate in Switzerland.

Nearly everywhere in Switzerland, summer often brings more precipitation than winter because warmer air holds more moisture and fuels afternoon thunderstorms. Hail hotspots include Ticino, the Jura, and the Napf region. The federal Natural Hazards Portal warns that severe thunderstorms are hard to pinpoint hours ahead, so check again before exposed hiking or lake travel: Outdoor recreation in Switzerland.

Foehn, a warm dry downslope wind, creates sharp contrast. Southerly foehn can soak the southern slopes while north-facing valleys such as Reuss or Rhine corridors turn warm, dry, and gusty. Northerly foehn can brighten Ticino while the north side stays cloudy. A city forecast alone is a weak lease filter when your home sits in a foehn corridor or under a steep catchment.

For housing, ask about cellar flood history, roof drainage, covered parking in hail-prone areas, and whether the commute relies on one exposed bus or bike stretch. Pair wet-week comfort with elevation choices in Altitude climate in Switzerland. Use MeteoSwiss regional warnings rather than a Swiss average when grey weeks stack up.