About Rottenschwil
Rottenschwil is a Swiss municipality located in the canton of Aargau (AG), at 47.315° latitude and 8.366° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Rottenschwil, Rottenschwil benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Rottenschwil
The climate in Rottenschwil 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 Rottenschwil and neighboring municipalities.
On this page you will find the detailed weather forecast for Rottenschwil: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Rottenschwil: 1991–2020 normals
In Rottenschwil (379 m), the mean annual temperature is 10.6 °C. The warmest month is July (19.9 °C on average) and the coldest January (1.7 °C). About 1019 mm of precipitation falls per year, peaking in July (120 mm) with a minimum in February (53 mm). The sun shines for about 1666 hours a year, mostly in July (233 h). On average there are 77 frost days and 10 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.7 °C and the absolute minimum −7.8 °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 | 1.7 °C | 12.2 °C | −7.8 °C | 56 | 54 | 20 | 0 |
| Feb | 2.5 °C | 14.3 °C | −7.4 °C | 53 | 84 | 18 | 0 |
| Mar | 6.5 °C | 19.6 °C | −3.9 °C | 60 | 140 | 11 | 0 |
| Apr | 10.4 °C | 24.1 °C | −0.7 °C | 75 | 176 | 3 | 1 |
| May | 14.5 °C | 28.2 °C | 3.8 °C | 118 | 192 | 0 | 4 |
| Jun | 18.2 °C | 31.7 °C | 7.8 °C | 117 | 211 | 0 | 11 |
| Jul | 19.9 °C | 32.7 °C | 10.2 °C | 120 | 233 | 0 | 16 |
| Aug | 19.5 °C | 32.1 °C | 9.6 °C | 117 | 216 | 0 | 14 |
| Sep | 15.2 °C | 27.4 °C | 5.7 °C | 82 | 161 | 0 | 4 |
| Oct | 10.8 °C | 22.5 °C | 1.3 °C | 78 | 101 | 1 | 0 |
| Nov | 5.6 °C | 16.6 °C | −3.2 °C | 68 | 55 | 8 | 0 |
| Dec | 2.4 °C | 12.8 °C | −7.4 °C | 74 | 43 | 18 | 0 |
| Year | 10.6 °C | 32.7 °C | −7.8 °C | 1019 | 1666 | 77 | 50 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Cham (16 km, 443 m), Zürich / Fluntern (17 km, 604 m), Zürich / Affoltern (17 km, 444 m), adjusted to the elevation of Rottenschwil (379 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Rottenschwil:
- Weather Besenbüren
- Weather Unterlunkhofen
- Weather Oberlunkhofen
- Weather Aristau
- Weather Bünzen
- Weather Jonen
- Weather Oberwil-Lieli
- Weather Zufikon
- Weather Arni (AG)
- Weather Boswil
- Weather Muri (AG)
- Weather Ottenbach
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Rottenschwil
What is the weather in Rottenschwil today?
At the top of the page you will find the current temperature, precipitation and wind in Rottenschwil, updated in real time.
What is the 15-day forecast for Rottenschwil?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Rottenschwil.
Will it rain tomorrow in Rottenschwil?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Rottenschwil.
What is the air quality in Rottenschwil?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Rottenschwil.
Are there weather alerts for Rottenschwil?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Rottenschwil located?
Rottenschwil sits at around 379 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 Rottenschwil?
The warmest month in Rottenschwil is July, averaging 19.9 °C (1991–2020 normal). The coldest is January at 1.7 °C.
How much does it rain in Rottenschwil per year?
Rottenschwil receives about 1019 mm of precipitation a year. The wettest month is July (120 mm), the driest February (53 mm).
When is the best time to visit Rottenschwil?
For warmth and sunshine: July (19.9 °C on average, 233 h of sun). The coldest month is January (1.7 °C). Check the 15-day forecast above for your dates.