About Winznau
Winznau is a Swiss municipality located in the canton of Solothurn (SO), at 47.370° latitude and 7.928° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Winznau, Winznau benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Winznau
The climate in Winznau 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 Winznau and neighboring municipalities.
On this page you will find the detailed weather forecast for Winznau: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Winznau: 1991–2020 normals
In Winznau (437 m), the mean annual temperature is 9.9 °C. The warmest month is July (19.1 °C on average) and the coldest January (1.2 °C). About 991 mm of precipitation falls per year, peaking in August (109 mm) with a minimum in February (57 mm). The sun shines for about 1647 hours a year, mostly in July (231 h). On average there are 74 frost days and 8 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.6 °C and the absolute minimum −8.4 °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 | 1.2 °C | 11.4 °C | −8.4 °C | 67 | 57 | 19 | 0 |
| Feb | 1.9 °C | 13.5 °C | −7.9 °C | 57 | 83 | 17 | 0 |
| Mar | 5.8 °C | 18.9 °C | −4.7 °C | 65 | 136 | 10 | 0 |
| Apr | 9.5 °C | 23.3 °C | −1.4 °C | 74 | 170 | 3 | 0 |
| May | 13.6 °C | 27.3 °C | 2.8 °C | 103 | 187 | 0 | 3 |
| Jun | 17.3 °C | 31.0 °C | 6.6 °C | 99 | 210 | 0 | 9 |
| Jul | 19.1 °C | 32.6 °C | 9.3 °C | 108 | 231 | 0 | 14 |
| Aug | 18.6 °C | 31.4 °C | 8.7 °C | 109 | 213 | 0 | 12 |
| Sep | 14.4 °C | 26.4 °C | 4.8 °C | 76 | 157 | 0 | 3 |
| Oct | 10.0 °C | 21.5 °C | 0.8 °C | 77 | 98 | 1 | 0 |
| Nov | 5.0 °C | 15.4 °C | −3.5 °C | 74 | 58 | 8 | 0 |
| Dec | 1.9 °C | 11.8 °C | −7.0 °C | 84 | 47 | 17 | 0 |
| Year | 9.9 °C | 32.6 °C | −8.4 °C | 991 | 1647 | 74 | 41 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Gösgen (4 km, 380 m), Rünenberg (8 km, 611 m), Buchs / Aarau (12 km, 387 m), adjusted to the elevation of Winznau (437 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Winznau:
- Weather Obergösgen
- Weather Trimbach
- Weather Dulliken
- Weather Lostorf
- Weather Aarburg
- Weather Wisen (SO)
- Weather Olten
- Weather Starrkirch-Wil
- Weather Stüsslingen
- Weather Oftringen
- Weather Niedergösgen
- Weather Däniken
→ Nearby cities · Canton Solothurn
Frequently asked questions about weather in Winznau
What is the weather in Winznau today?
At the top of the page you will find the current temperature, precipitation and wind in Winznau, updated in real time.
What is the 15-day forecast for Winznau?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Winznau.
Will it rain tomorrow in Winznau?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Winznau.
What is the air quality in Winznau?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Winznau.
Are there weather alerts for Winznau?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Winznau located?
Winznau sits at around 437 m above sea level in the canton of Solothurn. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Winznau?
The warmest month in Winznau is July, averaging 19.1 °C (1991–2020 normal). The coldest is January at 1.2 °C.
How much does it rain in Winznau per year?
Winznau receives about 991 mm of precipitation a year. The wettest month is August (109 mm), the driest February (57 mm).
When is the best time to visit Winznau?
For warmth and sunshine: July (19.1 °C on average, 231 h of sun). The coldest month is January (1.2 °C). Check the 15-day forecast above for your dates.