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Altstätten Climate by Month

The climate in Altstätten is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to cold in the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

In Altstätten, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 23°C in July to a chilly 4°C in January. Nighttime temperatures can drop, with averages reaching -4°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Altstätten experiences significant rain/snowfall throughout the year, averaging 1699 mm of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 198 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, January, still receives a respectable 106 mm of snow/rainfall.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

In Altstätten, summer days are longer and more sunny, with daily sunshine hours peaking at 7.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.6 hours.

Monthly hours of sunshine

Data from: St. Gallen, Switzerland (13 KM, 8 Miles).

Daily hours of sunshine

Data from: St. Gallen, Switzerland (13 KM, 8 Miles).

The best time of year to visit Altstätten in Switzerland

During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Altstätten?
    Most rainfall (rainy season) is seen in May, June, July and August.
  • Which is the warmest month in Altstätten?
    July has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in Altstätten?
    The coldest month is January with an average maximum temperature of 4°C.
  • Which is the wettest month in Altstätten?
    June tops the wettest month list with 198 mm of rainfall.
  • Which is the driest month in Altstätten?
    January is the driest month with 106 mm of precipitation.
  • Which is the sunniest month in Altstätten?
    July is the sunniest month with an average of 229 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Altstätten

    Tue   Dec 03
    8°C | 1°C
    W 4 km/h
    3.8 mm
    broken clouds and slight rain

    broken clouds and slight rain

    Wed   Dec 04
    2°C | 0°C
    S 4 km/h
    7.8 mm
    overcast and heavy sleet

    overcast and heavy sleet

    Thu   Dec 05
    4°C | -4°C
    S 4 km/h
    broken clouds and no rain

    broken clouds and no rain