Year-round weather and climate in Winterthur, Switzerland

Average temperatures in Winterthur run from an average low of 0°C32°F in January up to an average high of 26°C79°F in August. February is the driest month at 9 rainy days; July the wettest at 18 rainy days. Here is the annual climate data, so you know what you are packing for.

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Good to know

Population
112K
Currency
CHF
Language
French / Swiss German
Time zone
Zurich

Best time to visit

The most pleasant weather falls in June, July, and August, offering a perfect balance of comfortable temperatures and clear skies.

Rain character

Moderate Showers: Rainfall is standard and manageable. A compact travel umbrella or light rain jacket will easily get you through any wet days.

Day-to-night swing

Evening Chill: Temperatures drop by a noticeable <span class="val-c">11°C</span><span class="val-f">20°F</span> when the sun goes down. A light sweater or jacket is usually all you need for evening plans.

Seasonality Profile

True Four Seasons: Dramatic contrasts. Freezing winters, transitional shoulders, and blazing summers.

Evening vibe

Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.

Sightseeing stamina

All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.

Average temperatures, sunshine, and rainfall

Average monthly weather in Winterthur, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.

Bars span the average daily low to high. Feb is typically driest at 9 rainy days (44mm); Jul the wettest at 18 rainy days (133mm).

Average monthly weather in Winterthur, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
MonthAverage highAverage lowDaily sunshineRainy daysTotal rainfall
Jan6°C / 42°F0°C / 31°F4h1498mm
Feb8°C / 47°F1°C / 34°F6h944mm
Mar12°C / 53°F3°C / 37°F8h15102mm
Apr14°C / 58°F5°C / 41°F9h14109mm
May19°C / 65°F10°C / 49°F10h17145mm
Jun25°C / 77°F15°C / 58°F12h1392mm
Jul25°C / 77°F15°C / 60°F12h18133mm
Aug26°C / 78°F16°C / 60°F11h11114mm
Sep21°C / 69°F12°C / 54°F9h14115mm
Oct16°C / 61°F8°C / 47°F7h12114mm
Nov9°C / 47°F3°C / 37°F5h16146mm
Dec6°C / 42°F0°C / 33°F4h1188mm

Weather data by Open-Meteo.com (opens in a new tab)

Frequently Asked Questions

When is the sunniest time of year to visit Winterthur?

June is the sunniest month in Winterthur, averaging 12 hours of sunshine a day. Pack sunglasses and high-SPF sunscreen.

What clothes should I pack for Winterthur?

Your packing list depends entirely on when you travel. Temperatures in Winterthur swing from an average low of 0°C32°F in January up to 26°C79°F in August. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.

Do I need to pack an umbrella for Winterthur?

Winterthur gets rain on about 164 days a year, with July being the wettest. If you're traveling then, pack an umbrella and a light rain jacket.

Going to Winterthur?

Pack smarter.

Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Winterthur with Packola.

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