Climate Overview
The climate in Dornbirn is cool. The average annual temperature is 9°C and approximately 1576mm of precipitation falls per year. Dornbirn receives a notable amount of rainfall throughout the year, including during its driest month. Dornbirn is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, December, February, when temperatures can drop to -3°C. Dornbirn experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Dornbirn vary considerably across the year, with a 26°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 23°C with a mean of 18°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 0°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.
Precipitation
Dornbirn is a fairly wet location, receiving approximately 1576mm of precipitation annually, which averages out to around 131mm per month. The wettest month is August, averaging 181mm of rainfall. May and July also tend to see above-average precipitation. The driest month is February, with just 95mm. That's 86mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Dornbirn receives heavy snowfall, accumulating around 231cm annually from January through December. The snowiest month is January, with approximately 74cm. Winter travel should account for significant snow cover.
Wind
Dornbirn is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
7 days until Autumn
It is currently summer in Dornbirn, which began on June 21, 2026. Dornbirn is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 23°C, while the coldest stretch bottoms out in January near -3°C. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 1 to 17°C. Rainfall is heavy, totalling around 380mm across the season with a monthly average of 127mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 13 to 23°C. Rainfall is heavy, totalling around 498mm across the season with a monthly average of 166mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 2 to 19°C. Rainfall is heavy, totalling around 350mm across the season with a monthly average of 117mm. Expect around 29cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -3 to 6°C. Rainfall is heavy, totalling around 348mm across the season with a monthly average of 116mm. Expect around 154cm of snow accumulation during this period. Winds are generally light, averaging 7km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Dornbirn based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
