Winterthur
December
Weather in Winterthur for December 2025
Your guide to Winterthur weather in December - trends and predictions
The climate of Winterthur in December is quite snowy, averaging 13 snowy days.
In general, the average temperature in Winterthur at the beginning of December is 3.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7.3 °C by the end of December.
Snow Forecast ❄️
Temperatures
6
Dry days
12
Rainy days
13
Snow days
5°/-1°
Temperatures
14 km/h
Avg max wind
86 %
Avg humidity
Winterthur Weather December
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  5° | 2 4° | 3  1° | 4  2° | 5 4° | 6  4° | 7  4° |
| 8  4° | 9  5° | 10  5° | 11  7° | 12 7° | 13 6° | 14 4° |
| 15  4° | 16  5° | 17 6° | 18 8° | 19 8° | 20 3° | 21 6° |
| 22  8° | 23 7° | 24  6° | 25  7° | 26 7° | 27 6° | 28  7° |
| 29 8° | 30 7° | 31 9° |
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Temperatures trend during December in Winterthur
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Heavy snow | 5° /-1° | 16.8 mm | 6.3 cm | |
| 2 Dec. | Heavy snow | 4° /-3° | 11.6 mm | 7.7 cm | |
| 3 Dec. | Light snow | 1° /-8° | 1 mm | 0.1 cm | |
| 4 Dec. | Moderate snow | 2° /-8° | 1.2 mm | 0.9 cm | |
| 5 Dec. | Light snow | 4° /-3° | 1 mm | 0 cm | |
| 6 Dec. | Light snow showers | 4° /0° | 6 mm | 0.6 cm | |
| 7 Dec. | Freezing fog | 4° /-3° | 4.7 mm | 0 cm | |
| 8 Dec. | Light freezing rain | 4° /-2° | 4.4 mm | 0.5 cm | |
| 9 Dec. | Light drizzle | 5° /0° | 10.5 mm | 0.9 cm | |
| 10 Dec. | Light rain shower | 5° /1° | 2.8 mm | 0.2 cm | |
| 11 Dec. | Moderate or heavy rain with thunder | 7° /2° | 25 mm | 0.2 cm | |
| 12 Dec. | Light rain shower | 7° /2° | 11.3 mm | 0 cm | |
| 13 Dec. | Light rain shower | 6° /0° | 5.1 mm | 0 cm | |
| 14 Dec. | Light rain | 4° /0° | 3.9 mm | 0 cm | |
| 15 Dec. | Mist | 4° /-1° | 0.4 mm | 0.1 cm | |
| 16 Dec. | Sunny | 5° /-1° | 0 mm | 0 cm | |
| 17 Dec. | Sunny | 6° /-1° | 0 mm | 0 cm | |
| 18 Dec. | Sunny | 8° /0° | 0 mm | 0 cm | |
| 19 Dec. | Sunny | 8° /0° | 8.1 mm | 0.1 cm | |
| 20 Dec. | Light rain | 3° /-1° | 2.8 mm | 0.3 cm | |
| 21 Dec. | Light rain | 6° /0° | 4.9 mm | 0 cm | |
| 22 Dec. | Moderate rain at times | 8° /2° | 11.7 mm | 0.3 cm | |
| 23 Dec. | Moderate or heavy rain shower | 7° /2° | 7.7 mm | 1.6 cm | |
| 24 Dec. | Heavy rain at times | 6° /1° | 4 mm | 0.1 cm | |
| 25 Dec. | Partly cloudy | 7° /0° | 0 mm | 0 cm | |
| 26 Dec. | Moderate or heavy rain shower | 7° /0° | 3.5 mm | 0 cm | |
| 27 Dec. | Patchy rain possible | 6° /-2° | 0.4 mm | 0 cm | |
| 28 Dec. | Overcast | 7° /-2° | 0 mm | 0 cm | |
| 29 Dec. | Patchy rain possible | 8° /-1° | 1.6 mm | 0 cm | |
| 30 Dec. | Patchy rain possible | 7° /0° | 2.3 mm | 0 cm | |
| 31 Dec. | Patchy rain possible | 9° /1° | 1.4 mm | 0 cm | |
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Important Notice
Our weather forecast for Winterthur in December 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 December - FAQ
What are the expected maximum and minimum temperatures in Winterthur during December?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Winterthur during December?
Significant rainfall exceeding 154.1 mm is expected in Winterthur during December, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Winterthur in December 2025?
Winterthur experiences an average snowfall of 19.8033 cm during December, occurring over 13 days.
What are the typical wind conditions in Winterthur during December?
The average wind speed in Winterthur during December is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
Winterthur snow forecast December 2025
Track daily snowfall levels and discover Winterthur’s snowy potential this December ❄️
December rainfall patterns in Winterthur
Explore the daily rainfall trends and prepare for Winterthurs December weather 💧
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