About Waltenschwil
Waltenschwil is a Swiss municipality located in the canton of Aargau (AG), at 47.334° latitude and 8.297° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Waltenschwil, Waltenschwil benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Waltenschwil
The climate in Waltenschwil 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 Waltenschwil and neighboring municipalities.
On this page you will find the detailed weather forecast for Waltenschwil: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Waltenschwil: 1991–2020 normals
In Waltenschwil (425 m), the mean annual temperature is 10.0 °C. The warmest month is July (19.3 °C on average) and the coldest January (1.2 °C). About 1003 mm of precipitation falls per year, peaking in May (110 mm) with a minimum in February (56 mm). The sun shines for about 1591 hours a year, mostly in July (230 h). On average there are 82 frost days and 13 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.1 °C and the absolute minimum −8.7 °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 | 1.2 °C | 11.3 °C | −8.7 °C | 66 | 45 | 20 | 0 |
| Feb | 1.9 °C | 13.4 °C | −8.0 °C | 56 | 77 | 19 | 0 |
| Mar | 5.8 °C | 18.6 °C | −4.5 °C | 66 | 135 | 12 | 0 |
| Apr | 9.7 °C | 23.3 °C | −1.2 °C | 70 | 172 | 3 | 1 |
| May | 13.8 °C | 27.2 °C | 3.2 °C | 110 | 187 | 0 | 4 |
| Jun | 17.4 °C | 30.7 °C | 7.0 °C | 104 | 210 | 0 | 12 |
| Jul | 19.3 °C | 32.1 °C | 9.5 °C | 110 | 230 | 0 | 17 |
| Aug | 18.9 °C | 31.3 °C | 8.9 °C | 107 | 212 | 0 | 15 |
| Sep | 14.6 °C | 26.3 °C | 5.0 °C | 77 | 154 | 0 | 4 |
| Oct | 10.2 °C | 21.5 °C | 0.7 °C | 78 | 89 | 2 | 0 |
| Nov | 5.2 °C | 15.9 °C | −3.5 °C | 74 | 46 | 8 | 0 |
| Dec | 2.0 °C | 11.9 °C | −7.4 °C | 84 | 34 | 18 | 0 |
| Year | 10.0 °C | 32.1 °C | −8.7 °C | 1003 | 1591 | 82 | 54 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Buchs / Aarau (17 km, 387 m), Lägern (18 km, 845 m), Zürich / Affoltern (20 km, 444 m), adjusted to the elevation of Waltenschwil (425 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Waltenschwil:
- Weather Wohlen (AG)
- Weather Büttikon
- Weather Kallern
- Weather Uezwil
- Weather Bünzen
- Weather Bremgarten (AG)
- Weather Fischbach-Göslikon
- Weather Boswil
- Weather Sarmenstorf
- Weather Besenbüren
- Weather Niederwil (AG)
- Weather Zufikon
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Waltenschwil
What is the weather in Waltenschwil today?
At the top of the page you will find the current temperature, precipitation and wind in Waltenschwil, updated in real time.
What is the 15-day forecast for Waltenschwil?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Waltenschwil.
Will it rain tomorrow in Waltenschwil?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Waltenschwil.
What is the air quality in Waltenschwil?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Waltenschwil.
Are there weather alerts for Waltenschwil?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Waltenschwil located?
Waltenschwil sits at around 425 m above sea level in the canton of Aargau. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Waltenschwil?
The warmest month in Waltenschwil is July, averaging 19.3 °C (1991–2020 normal). The coldest is January at 1.2 °C.
How much does it rain in Waltenschwil per year?
Waltenschwil receives about 1003 mm of precipitation a year. The wettest month is May (110 mm), the driest February (56 mm).
When is the best time to visit Waltenschwil?
For warmth and sunshine: July (19.3 °C on average, 230 h of sun). The coldest month is January (1.2 °C). Check the 15-day forecast above for your dates.