About Rupperswil
Rupperswil is a Swiss municipality located in the canton of Aargau (AG), at 47.403° latitude and 8.134° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Rupperswil, Rupperswil benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Rupperswil
The climate in Rupperswil 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 Rupperswil and neighboring municipalities.
On this page you will find the detailed weather forecast for Rupperswil: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Rupperswil: 1991–2020 normals
In Rupperswil (376 m), the mean annual temperature is 10.1 °C. The warmest month is July (19.5 °C on average) and the coldest January (1.3 °C). About 987 mm of precipitation falls per year, peaking in July (105 mm) with a minimum in February (58 mm). The sun shines for about 1549 hours a year, mostly in July (225 h). On average there are 77 frost days and 15 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 33.2 °C and the absolute minimum −8.6 °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 | 1.3 °C | 11.5 °C | −8.6 °C | 69 | 41 | 19 | 0 |
| Feb | 2.0 °C | 13.9 °C | −8.0 °C | 58 | 74 | 18 | 0 |
| Mar | 6.0 °C | 19.3 °C | −4.6 °C | 67 | 133 | 11 | 0 |
| Apr | 9.9 °C | 24.1 °C | −1.3 °C | 69 | 169 | 3 | 1 |
| May | 14.1 °C | 28.1 °C | 3.0 °C | 105 | 183 | 0 | 5 |
| Jun | 17.7 °C | 31.7 °C | 6.8 °C | 97 | 205 | 0 | 13 |
| Jul | 19.5 °C | 33.2 °C | 9.1 °C | 105 | 225 | 0 | 18 |
| Aug | 18.9 °C | 32.2 °C | 8.5 °C | 104 | 208 | 0 | 16 |
| Sep | 14.6 °C | 27.0 °C | 4.5 °C | 74 | 151 | 0 | 5 |
| Oct | 10.2 °C | 21.8 °C | 0.5 °C | 77 | 86 | 1 | 0 |
| Nov | 5.1 °C | 15.5 °C | −3.6 °C | 74 | 43 | 8 | 0 |
| Dec | 2.0 °C | 11.9 °C | −7.3 °C | 87 | 31 | 17 | 0 |
| Year | 10.1 °C | 33.2 °C | −8.6 °C | 987 | 1549 | 77 | 57 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Buchs / Aarau (5 km, 387 m), Gösgen (13 km, 380 m), Würenlingen / PSI (16 km, 334 m), adjusted to the elevation of Rupperswil (376 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Rupperswil:
- Weather Auenstein
- Weather Hunzenschwil
- Weather Niederlenz
- Weather Möriken-Wildegg
- Weather Schafisheim
- Weather Veltheim (AG)
- Weather Staufen
- Weather Lenzburg
- Weather Biberstein
- Weather Holderbank (AG)
- Weather Buchs (AG)
- Weather Thalheim (AG)
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Rupperswil
What is the weather in Rupperswil today?
At the top of the page you will find the current temperature, precipitation and wind in Rupperswil, updated in real time.
What is the 15-day forecast for Rupperswil?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Rupperswil.
Will it rain tomorrow in Rupperswil?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Rupperswil.
What is the air quality in Rupperswil?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Rupperswil.
Are there weather alerts for Rupperswil?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Rupperswil located?
Rupperswil sits at around 376 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 Rupperswil?
The warmest month in Rupperswil is July, averaging 19.5 °C (1991–2020 normal). The coldest is January at 1.3 °C.
How much does it rain in Rupperswil per year?
Rupperswil receives about 987 mm of precipitation a year. The wettest month is July (105 mm), the driest February (58 mm).
When is the best time to visit Rupperswil?
For warmth and sunshine: July (19.5 °C on average, 225 h of sun). The coldest month is January (1.3 °C). Check the 15-day forecast above for your dates.