Winterthur
August
Weather in Winterthur for August 2025
Your guide to Winterthur weather in August - trends and predictions
Strong Rainfall Warning - See hour by hour.
The forecast for the next days in Winterthur predicts temperatures to be around 26 °C, close to the historical average.
In general, the average temperature in Winterthur at the beginning of August is 24.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.1 °C by the end of August.
Winterthur in August brings notable rainfall, with an average of 18 rainy days and a total precipitation of 165.6 mm.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
13
Dry days
18
Rainy days
0
Snow days
26°/14°
Temperatures
11 km/h
Avg max wind
77 %
Avg humidity
Winterthur Weather August
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Temperatures trend during August in Winterthur
See the weather trend as well as the moving average line
August weather in Winterthur day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Moderate rain | 23° /13° | 12.7 mm | 1.8 | |
| 2 Aug. | Moderate rain | 19° /12° | 12.3 mm | 1.9 | |
| 3 Aug. |  Partly cloudy | 22° /10° | 0.1 mm | 2 | |
| 4 Aug. | Partly cloudy | 25° /11° | 0 mm | 5 | |
| 5 Aug. | Partly cloudy | 27° /14° | 0 mm | 5 | |
| 6 Aug. |  Sunny | 25° /13° | 0 mm | 5 | |
| 7 Aug. | Sunny | 32° /12° | 0 mm | 6 | |
| 8 Aug. |  Patchy rain possible | 33° /18° | 0.3 mm | 6 | |
| 9 Aug. | Patchy rain possible | 31° /18° | 1.2 mm | 5 | |
| 10 Aug. | Patchy rain possible | 23° /18° | 3.9 mm | 5 | |
| 11 Aug. |  Cloudy | 28° /16° | 0 mm | 5 | |
| 12 Aug. | Patchy rain possible | 31° /16° | 3.6 mm | 5 | |
| 13 Aug. | Moderate rain | 23° /13° | 6.2 mm | 4 | |
| 14 Aug. | Patchy rain possible | 21° /11° | 0.1 mm | 4 | |
| 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 | |
| Next | |||||
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.
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Winterthur in August - FAQ
What are the expected maximum and minimum temperatures in Winterthur during August?
Enjoy moderate daytime temperatures of up to 26° 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 165.6 mm is expected in Winterthur during August, occurring over more than 18 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 11 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Winterthur
Explore the daily rainfall trends and prepare for Winterthurs August weather 💧
UV exposure in Winterthur during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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