About Altstätten
Altstätten is a Swiss municipality located in the canton of St. Gallen (SG), at 47.283° latitude and 9.485° longitude. The municipality is part of the eastern Alps, alpine climate with snowy winters and cool summers. Also known as Altstätten, Altstätten benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Altstätten
The climate in Altstätten is characteristic of the eastern Alps, alpine climate with snowy winters and cool summers. 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 Altstätten and neighboring municipalities.
On this page you will find the detailed weather forecast for Altstätten: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Altstätten: 1991–2020 normals
In Altstätten (1733 m), the mean annual temperature is 3.5 °C. The warmest month is August (11.6 °C on average) and the coldest January (−3.8 °C). About 1918 mm of precipitation falls per year, peaking in August (211 mm) with a minimum in April (122 mm). The mean monthly maximum reaches 22.6 °C and the absolute minimum −14.6 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) |
|---|---|---|---|---|
| Jan | −3.8 °C | 7.3 °C | −14.6 °C | 148 |
| Feb | −3.7 °C | 7.9 °C | −14.4 °C | 124 |
| Mar | −1.0 °C | 10.3 °C | −11.6 °C | 151 |
| Apr | 2.2 °C | 13.2 °C | −8.3 °C | 122 |
| May | 6.2 °C | 17.5 °C | −3.4 °C | 168 |
| Jun | 9.6 °C | 21.3 °C | 0.3 °C | 188 |
| Jul | 11.5 °C | 22.6 °C | 2.9 °C | 209 |
| Aug | 11.6 °C | 22.1 °C | 2.3 °C | 211 |
| Sep | 7.9 °C | 18.3 °C | −1.2 °C | 161 |
| Oct | 4.7 °C | 15.6 °C | −5.4 °C | 134 |
| Nov | 0.0 °C | 11.7 °C | −10.0 °C | 132 |
| Dec | −2.9 °C | 8.1 °C | −13.4 °C | 168 |
| Year | 3.5 °C | 22.6 °C | −14.6 °C | 1918 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Säntis (11 km, 2501 m), St. Gallen (17 km, 776 m), Vaduz (18 km, 457 m), adjusted to the elevation of Altstätten (1733 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Altstätten:
- Weather Rüthi (SG)
- Weather Ruggell
- Weather Sennwald
- Weather Schwende-Rüte
- Weather Appenzell
- Weather Schellenberg
- Weather Gams
- Weather Eichberg
- Weather Mauren
- Weather Buchs (SG)
- Weather Grabs
- Weather Gonten
→ Nearby cities · Canton St. Gallen
Frequently asked questions about weather in Altstätten
What is the weather in Altstätten today?
At the top of the page you will find the current temperature, precipitation and wind in Altstätten, updated in real time.
What is the 15-day forecast for Altstätten?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Altstätten.
Will it rain tomorrow in Altstätten?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Altstätten.
What is the air quality in Altstätten?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Altstätten.
Are there weather alerts for Altstätten?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Altstätten located?
Altstätten sits at around 1733 m above sea level in the canton of St. Gallen. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Altstätten?
The warmest month in Altstätten is August, averaging 11.6 °C (1991–2020 normal). The coldest is January at −3.8 °C.
How much does it rain in Altstätten per year?
Altstätten receives about 1918 mm of precipitation a year. The wettest month is August (211 mm), the driest April (122 mm).
When is the best time to visit Altstätten?
For warmth and sunshine: August (11.6 °C on average, — h of sun). The coldest month is January (−3.8 °C). Check the 15-day forecast above for your dates.