Winterthur
August
Weather in Winterthur for August 2025
Your guide to Winterthur weather in August - trends and predictions
In general, the average temperature in Winterthur at the beginning of August is 23.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.1 °C by the end of August.
Expect significant rainfall in Winterthur during August, with an average of 20 rainy days.
Is August a good time to visit Winterthur? check out the best time to travel to Winterthur page.
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11
Dry days
20
Rainy days
0
Snow days
25°/14°
Temperatures
12 km/h
Avg max wind
76 %
Avg humidity
Winterthur in August average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  28° | 3  24° | ||||
| 4 22° | 5  24° | 6 22° | 7 23° | 8 23° | 9 25° | 10  28° |
| 11 29° | 12 31° | 13 30° | 14 30° | 15 29° | 16 29° | 17 26° |
| 18 24° | 19 26° | 20 29° | 21 27° | 22 29° | 23  30° | 24 33° |
| 25  24° | 26 21° | 27 20° | 28 21° | 29  21° | 30  24° | 31 24° |
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Temperatures trend during August in Winterthur
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Moderate or heavy rain shower | 24° /15° | 23.5 mm | 6 | |
| 2 Aug. | Heavy rain at times | 28° /14° | 8.3 mm | 6 | |
| 3 Aug. | Overcast | 24° /14° | 1.9 mm | 6 | |
| 4 Aug. | Moderate or heavy rain shower | 22° /12° | 4 mm | 5 | |
| 5 Aug. | Patchy rain possible | 24° /12° | 2 mm | 6 | |
| 6 Aug. | Moderate or heavy rain shower | 22° /12° | 7.8 mm | 5 | |
| 7 Aug. | Patchy rain possible | 23° /11° | 2.5 mm | 5 | |
| 8 Aug. | Overcast | 23° /12° | 0.5 mm | 6 | |
| 9 Aug. | Patchy rain possible | 25° /12° | 0.1 mm | 6 | |
| 10 Aug. | Sunny | 28° /13° | 0 mm | 7 | |
| 11 Aug. | Sunny | 29° /14° | 0 mm | 7 | |
| 12 Aug. | Moderate rain at times | 31° /16° | 4.6 mm | 7 | |
| 13 Aug. | Patchy rain possible | 30° /15° | 0.2 mm | 7 | |
| 14 Aug. | Patchy rain possible | 30° /17° | 6.1 mm | 7 | |
| 15 Aug. | Patchy rain possible | 29° /17° | 0.6 mm | 6 | |
| 16 Aug. | Moderate rain at times | 29° /16° | 10.7 mm | 7 | |
| 17 Aug. | Patchy rain possible | 26° /17° | 3.3 mm | 6 | |
| 18 Aug. | Sunny | 24° /14° | 5.3 mm | 6 | |
| 19 Aug. | Sunny | 26° /15° | 0.4 mm | 6 | |
| 20 Aug. | Sunny | 29° /14° | 0 mm | 7 | |
| 21 Aug. | Patchy rain possible | 27° /15° | 0.3 mm | 6 | |
| 22 Aug. | Sunny | 29° /14° | 0 mm | 7 | |
| 23 Aug. | Cloudy | 30° /16° | 0 mm | 7 | |
| 24 Aug. | Sunny | 33° /15° | 0.4 mm | 8 | |
| 25 Aug. | Thundery outbreaks possible | 24° /14° | 12.6 mm | 6 | |
| 26 Aug. | Light rain shower | 21° /12° | 12.3 mm | 5 | |
| 27 Aug. | Light rain shower | 20° /11° | 20.7 mm | 5 | |
| 28 Aug. | Light rain shower | 21° /12° | 26.2 mm | 5 | |
| 29 Aug. | Moderate rain | 21° /12° | 10.2 mm | 6 | |
| 30 Aug. | Mist | 24° /10° | 0 mm | 6 | |
| 31 Aug. | Light rain shower | 24° /12° | 1.3 mm | 6 | |
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Important Notice
Our weather forecast for Winterthur in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Winterthur forecast closer to your planned date for the most up-to-date weather information.
Winterthur in August - FAQ
What are the expected maximum and minimum temperatures in Winterthur during August?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Winterthur during August?
Significant rainfall exceeding 211.4 mm is expected in Winterthur during August, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Winterthur during August?
The average wind speed in Winterthur during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Winterthur in August?
As you prepare for your trip to Winterthur in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Winterthur, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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