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Zurich weather by month and the best time to visit

Updated October 2026Sources
May–SepBest time to visit

When to go to Zurich

Jun–Aug for lake and river swimming; Dec brings Christmas markets. Winters are grey and foggy; Zurich is pricey all year, with hotels peaking during events.

Zurich weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
-5°0°5°10°15°20°25°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January3°C38°F-3°C27°F94 mm88%Cold
February5°C40°F-3°C27°F73 mm86%Cold
March10°C49°F1°C34°F91 mm82%Cold
April15°C58°F5°C41°F91 mm79%Cool
May19°C65°F9°C49°F141 mm79%Pleasant
June22°C72°F14°C56°F139 mm78%Pleasant
July24°C75°F15°C59°F144 mm77%Pleasant
August24°C74°F15°C59°F146 mm79%Pleasant
September19°C67°F11°C51°F103 mm82%Pleasant
October15°C59°F6°C44°F100 mm85%Cool
November8°C47°F2°C35°F87 mm88%Cold
December4°C39°F-2°C29°F102 mm88%Cold

Best months across Switzerland

PlaceBest monthsWarmest month
ZurichMay–SepJul (24°C)
GenevaMay–SepJul (27°C)
LucerneMay–SepJul (24°C)
InterlakenJun–SepJul (25°C)
ZermattJan–Mar, Jul–SepJul (19°C)
BernMay–SepJul (24°C)
BaselMay–SepJul (25°C)
LausanneMay–SepJul (26°C)
LuganoApr–Jun, Sep–OctJul (28°C)
GrindelwaldJan–Feb, Jun–SepJul (22°C)
St. MoritzJan–Mar, Jul–SepJul (18°C)
MontreuxMay–Jun, Sep–OctJul (26°C)

Quick answers

What is the best month to visit Zurich?

May–Sep. Jun–Aug for lake and river swimming; Dec brings Christmas markets. Winters are grey and foggy; Zurich is pricey all year, with hotels peaking during events.

When is the rainy season in Zurich?

Rain peaks in August with about 146 mm. No month averages 150 mm or more.

What is the hottest month in Zurich?

July, with average highs of 24°C (75°F).

How cold does Zurich get?

The coolest nights are in January, averaging -3°C (27°F).

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 0.9°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.