Zurich Weather in August

🇨🇭 Switzerland

23°C

High

15°C

Low

Rain Days

11h

Sunshine

65%

Humidity

Europe › 🇨🇭 Switzerland › Zurich

Updated: March 2026

Is August a Good Time to Visit Zurich?

5/10

Fair

August is a fair time to visit Zurich (5/10). With 11 daily sunshine hours and only 14 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 3rd sunniest of the year in Zurich. Culture-focused travellers and those who prefer lighter crowds will find August a practical choice, with prices running lower than peak July without sacrificing all the good weather. September offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Zurich's popular sites are busiest between 10am and 3pm regardless of season. Arriving at opening time or after 4pm makes a significant difference to the experience. Planning tips: accommodation is generally available without long lead times, and flight prices are typically lower than peak season. Flexible travellers will find the best deals by booking 2-4 weeks ahead. Mid-week arrivals consistently unlock lower hotel rates than weekend check-ins.

vs July:24°C avg high

Zurich's August weather is shaped by atmospheric forces that make the data more than just numbers. The 23°C average high reflects a transitional pressure pattern where mid-latitude westerlies alternately bring mild maritime air and cooler polar intrusions. As a result, 11 daily sunshine hours are recorded on average, and rainfall of 112mm is distributed across approximately 14 days because precipitation events tend to be frequent but short-lived.

23°C

Avg High

15°C

Avg Low

14 days

Rain Days

11h

Sunshine

65%

Humidity

Temperature in Zurich in August

The 8°C day-night temperature range is typical for continental climates: a light jacket in the morning that you shed by midday and need again after sunset. Humidity averages 65%, which is comfortable for most visitors. On warmer days, lighter fabrics help with the mild stickiness in the afternoon. UV index averages 10 this month, classed as high to very high. SPF 30+ sunscreen, a brim hat, and sunglasses are not optional between 10am and 4pm. Winds are calm at an average 10 km/h, so wind-chill is not a factor in planning your clothing. In Fahrenheit: 73°F average high, 59°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).

Temperature in August

Monthly Precipitation (mm)

What to Wear in Zurich in August

Morning15°CBefore the day warms up

Afternoon23°CPeak daytime temperature

Evening18°CAfter sunset cools down

Packing for Zurich in August means dressing for 23°C days and 15°C evenings. A light cotton tee with a casual overshirt works well at 23°C, the overshirt doubles as a layer for air-conditioned venues. Evening temperatures settle at 15°C, a modest 8°C drop that a light cardigan or denim jacket covers. European cobblestones reward low-profile walking shoes over flip-flops or heels, with cushioned trainers or leather walking shoes being the practical choice. With 14 rain days expected, a compact travel umbrella is worth the bag space. A waterproof jacket is better than an umbrella if you plan full-day outdoor routes.

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Local tip: Zurich's cobbled streets turn slippery in the rain. Waterproof walking shoes with a non-slip sole outperform fashionable footwear on wet stone, and you'll cover significantly more ground in comfort.

Events in Zurich in August

August has no major festivals or public holidays in Zurich, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.

What to Pack for Zurich in August

Based on 23°C average highs and 14 rainy days

Light layers for morning and evening
Breathable T-shirts and comfortable trousers
UV-protective sunglasses
Compact folding umbrella
Waterproof outer layer or packable rain jacket
Quick-dry clothing that recovers fast after a shower
SPF 30+ sunscreen
Comfortable walking shoes (a second pair lets the first air out overnight)
Universal travel adapter
Small day pack for city exploration
Reusable water bottle

Best Activities in Zurich in August

Explore outdoor markets and street food stallsMid-morning (10am-12pm)At 23°C, the temperature is ideal for extended walking without overheating
Guided walking tour of the historic centreMorning or late afternoonComfortable temperatures allow several hours on foot without fatigue
Visit rooftop viewpoints and observation decksGolden hour (1 hour before sunset)Warm clear evenings provide exceptional visibility for panoramic photography
Day trip to the surrounding countryside or coastFull day (depart by 8am)August is reliably dry enough for rural day trips without weather risk
Spend a morning in the national or city art museumOpens at 10am; arrive earlyWith 14 rain days expected, having a full-day indoor plan is practical insurance
Cooking class focused on regional cuisineHalf-day sessions run 10am-1pm or 3-6pmIndoor activity that fills a rainy half-day with genuine cultural content
Visit covered historical sites: cathedral, palace, or bazaarAny time; most crowded middayRoofed monuments and covered markets provide exploration without weather exposure
Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningAugust brings distinct seasonal changes to public green spaces worth exploring
Try the seasonal farmer's market for local produce and street foodSaturday morning markets typically 8am-1pmAugust seasonal produce is at peak availability, offering dishes not found at other times of year

Why is Zurich mild in August?

August in Zurich reflects a mid-latitude climate pattern, with temperatures averaging 23°C by day and 15°C overnight. The city sits at 47 degrees north latitude, where the balance between solar radiation and heat loss drives conditions that are neither extreme nor static. Conditions occupy the comfortable middle band of the annual temperature range, where outdoor activity is feasible without the extremes of midsummer heat or midwinter cold. Day-to-night temperature variation of 8°C is moderate and manageable with a single mid-layer. Climate data: Open-Meteo ERA5 (1991–2020).

Sunshine Hours

The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.

UV Index

A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate -- wear sunscreen. UV 6-7: High -- hat and SPF 30+ essential. UV 8-10: Very High -- limit midday exposure. UV 11+: Extreme -- seek shade between 10am-4pm.

Rain Days

A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.

Humidity

Relative humidity as a percentage. Below 40%: Dry -- skin and throat may feel parched. 40-60%: Comfortable -- ideal for most people. 60-80%: Sticky -- light, breathable fabrics recommended. Above 80%: Muggy -- heat feels more intense; quick-dry clothing is essential.

Frequently Asked Questions: Zurich in August

In August, Zurich experiences average highs of 23°C (73°F) and lows of 15°C (59°F). Expect around 14 rainy days and 11 hours of sunshine per day, with humidity averaging 65%. The 8°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 10, so sun protection is advisable on clear days.

Zurich typically sees 14 rainy days in August, with total precipitation of around 112mm. Rain is moderate and manageable. Showers tend to pass quickly, and a light rain layer or foldable umbrella is sufficient protection for most days. For context, the driest month in Zurich typically sees 4-6 fewer rain days than August.

Pack light layers, a light jacket for evenings, comfortable walking shoes, and sunscreen for Zurich in August. Daytime temperatures of 23°C are pleasant, but the evening drop to 15°C means a jacket is essential if you plan to be out after dark. With 14 rainy days, bring a compact umbrella or waterproof jacket for unexpected showers. Comfortable walking shoes are a priority given the amount of ground most visitors cover.

August is a reasonable time to visit Zurich. Expect 14 rainy days, so pack a light rain layer for flexibility. Average temperatures of 23°C make outdoor exploration comfortable during the dry periods. With 11 daily sunshine hours, there are reliable windows of good weather to plan outdoor activities around, even if the month is not the driest on the calendar.

The average high temperature in Zurich in August is 23°C (73°F), and the average low is 15°C (59°F). The mean daily temperature is approximately 19°C (66°F). The day-to-night range of 8°C is moderate, meaning a single light jacket covers most situations. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.

The best month to visit Zurich is generally February. February offers the most sunshine at 6 hours per day and only 11 rainy days. Average temperatures reach 6°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around February gives you the best chance of dry, bright weather.

August is shoulder or low season in Zurich, meaning fewer tourists and generally lower prices than peak months. With 11 sunshine hours and 14 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.

In August, Zurich suits a range of activities thanks to mild temperatures around 23°C. Mix of indoor and outdoor activities works well given the moderate chance of rain. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 11 hours of sunshine, parks and waterfront walks are particularly enjoyable.

August ranks 3rd sunniest of the year in Zurich, with an average 11 daily sunshine hours. The driest months are February, September, and October. July is the hottest month (24°C avg high); January is the coolest (5°C). From here, temperatures fall 4°C into September. Compared to last month (July: 24°C high, 15 rain days), August is cooler and drier. August is among the top three sunniest months to visit Zurich.

Year-Round Climate

Month	High	Low	Rain Days	Sun	Details
January	5°C	-1°C	13	5h	View
February	6°C	-2°C	11	6h	View
March	10°C	1°C	13	8h	View
April	14°C	4°C	13	10h	View
May	18°C	9°C	15	10h	View
June	22°C	13°C	16	11h	View
July	24°C	15°C	15	12h	View
August	23°C	15°C	14	11h	View
September	19°C	11°C	12	9h	View
October	15°C	7°C	12	7h	View
November	9°C	3°C	12	5h	View
December	5°C	0°C	14	4h	View

Other Months in Zurich

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Plan Your Trip to Zurich

Best Time to Visit Zurich Zurich vs Paris in August Zurich vs Munich in August

Nearby Destinations with Similar Weather

These cities are within 500 km and experience broadly comparable weather conditions during the same calendar month, making them practical standalone alternatives or worthwhile additions to a longer regional itinerary.

Paris🇫🇷 France488 km away

24°C15°C low

Munich🇩🇪 Germany242 km away

17°C5°C low

Milan🇮🇹 Italy218 km away

18°C6°C low

Brussels🇧🇪 Belgium492 km away

17°C5°C low

Data Sources for Zurich

Zurich on Wikipedia Open-Meteo Climate API NOAA National Centers UK Met Office WMO GeoNames

Climate normals represent 30-year averages (1991-2020). Individual years may vary.