About Winterthur
Winterthur is a Swiss municipality located in the canton of Zurich (ZH), at 47.460° latitude and 8.712° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Winterthur, Winterthur benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Winterthur
The climate in Winterthur is characteristic of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Temperatures, precipitation and wind conditions vary throughout the year with local features linked to altitude and surrounding terrain. Our data comes from official weather stations and real-time Netatmo sensors for Winterthur and neighboring municipalities.
On this page you will find the detailed weather forecast for Winterthur: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Winterthur: 1991–2020 normals
In Winterthur (489 m), the mean annual temperature is 9.8 °C. The warmest month is July (19.1 °C on average) and the coldest January (1.0 °C). About 1076 mm of precipitation falls per year, peaking in July (120 mm) with a minimum in February (61 mm). The sun shines for about 1646 hours a year, mostly in July (231 h). On average there are 87 frost days and 9 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.2 °C and the absolute minimum −9.7 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | 1.0 °C | 11.6 °C | −9.7 °C | 67 | 54 | 20 | 0 |
| Feb | 1.7 °C | 13.7 °C | −9.4 °C | 61 | 83 | 19 | 0 |
| Mar | 5.6 °C | 19.0 °C | −5.5 °C | 70 | 139 | 13 | 0 |
| Apr | 9.5 °C | 23.5 °C | −2.0 °C | 77 | 174 | 4 | 0 |
| May | 13.7 °C | 27.5 °C | 2.4 °C | 119 | 190 | 0 | 4 |
| Jun | 17.3 °C | 30.9 °C | 6.3 °C | 115 | 210 | 0 | 10 |
| Jul | 19.1 °C | 32.2 °C | 8.9 °C | 120 | 231 | 0 | 15 |
| Aug | 18.7 °C | 31.5 °C | 8.3 °C | 116 | 214 | 0 | 14 |
| Sep | 14.3 °C | 26.5 °C | 4.3 °C | 85 | 158 | 0 | 4 |
| Oct | 10.0 °C | 21.7 °C | −0.0 °C | 84 | 99 | 2 | 0 |
| Nov | 4.8 °C | 16.1 °C | −4.6 °C | 76 | 53 | 9 | 0 |
| Dec | 1.7 °C | 12.1 °C | −8.4 °C | 85 | 41 | 19 | 0 |
| Year | 9.8 °C | 32.2 °C | −9.7 °C | 1076 | 1646 | 87 | 47 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Zürich / Kloten (13 km, 426 m), Zürich / Fluntern (14 km, 604 m), Aadorf / Tänikon (15 km, 539 m), adjusted to the elevation of Winterthur (489 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Winterthur:
- Weather Lindau
- Weather Brütten
- Weather Illnau-Effretikon
- Weather Weisslingen
- Weather Nürensdorf
- Weather Zell (ZH)
- Weather Volketswil
- Weather Fehraltorf
- Weather Oberembrach
- Weather Bassersdorf
- Weather Wangen-Brüttisellen
- Weather Pfungen
→ Nearby cities · Canton Zurich
Frequently asked questions about weather in Winterthur
What is the weather in Winterthur today?
At the top of the page you will find the current temperature, precipitation and wind in Winterthur, updated in real time.
What is the 15-day forecast for Winterthur?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Winterthur.
Will it rain tomorrow in Winterthur?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Winterthur.
What is the air quality in Winterthur?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Winterthur.
Are there weather alerts for Winterthur?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Winterthur located?
Winterthur sits at around 489 m above sea level in the canton of Zurich. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Winterthur?
The warmest month in Winterthur is July, averaging 19.1 °C (1991–2020 normal). The coldest is January at 1.0 °C.
How much does it rain in Winterthur per year?
Winterthur receives about 1076 mm of precipitation a year. The wettest month is July (120 mm), the driest February (61 mm).
When is the best time to visit Winterthur?
For warmth and sunshine: July (19.1 °C on average, 231 h of sun). The coldest month is January (1.0 °C). Check the 15-day forecast above for your dates.