Annual Weather Averages Near Herisau
Averages are for St. Gallen, which is 11 kilometers from Herisau.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Herisau
High Temp: 22 °C
Low Temp: -2 °C
Mean Temp: 9 °C
Precipitation: 117.5 mm
Humidity: 74%
Dew Point: 4 °C
Wind: 14 km/h
Pressure: 101.76 kPa
Visibility: 20 km
January Climate & Weather Averages in Herisau
High Temp: 3 °C
Low Temp: -2 °C
Mean Temp: 1 °C
Precipitation: 128.4 mm
Humidity: 80%
Dew Point: -3 °C
Wind: 15 km/h
Pressure: 101.97 kPa
Visibility: 19 km
February Climate & Weather Averages in Herisau
High Temp: 4 °C
Low Temp: -2 °C
Mean Temp: 1 °C
Precipitation: 81.0 mm
Humidity: 75%
Dew Point: -3 °C
Wind: 14 km/h
Pressure: 101.92 kPa
Visibility: 21 km
March Climate & Weather Averages in Herisau
High Temp: 8 °C
Low Temp: 1 °C
Mean Temp: 5 °C
Precipitation: 94.2 mm
Humidity: 69%
Dew Point: -1 °C
Wind: 16 km/h
Pressure: 101.75 kPa
Visibility: 24 km
April Climate & Weather Averages in Herisau
High Temp: 12 °C
Low Temp: 4 °C
Mean Temp: 8 °C
Precipitation: 95.0 mm
Humidity: 66%
Dew Point: 2 °C
Wind: 15 km/h
Pressure: 101.53 kPa
Visibility: 21 km
May Climate & Weather Averages in Herisau
High Temp: 16 °C
Low Temp: 8 °C
Mean Temp: 12 °C
Precipitation: 162.4 mm
Humidity: 70%
Dew Point: 6 °C
Wind: 16 km/h
Pressure: 101.53 kPa
Visibility: 17 km
June Climate & Weather Averages in Herisau
High Temp: 21 °C
Low Temp: 12 °C
Mean Temp: 16 °C
Precipitation: 150.8 mm
Humidity: 71%
Dew Point: 11 °C
Wind: 14 km/h
Pressure: 101.56 kPa
Visibility: 14 km
July Climate & Weather Averages in Herisau
High Temp: 22 °C
Low Temp: 14 °C
Mean Temp: 18 °C
Precipitation: 135.4 mm
Humidity: 70%
Dew Point: 12 °C
Wind: 13 km/h
Pressure: 101.57 kPa
Visibility: 15 km
August Climate & Weather Averages in Herisau
High Temp: 22 °C
Low Temp: 14 °C
Mean Temp: 18 °C
Precipitation: 151.5 mm
Humidity: 73%
Dew Point: 12 °C
Wind: 12 km/h
Pressure: 101.65 kPa
Visibility: 20 km
September Climate & Weather Averages in Herisau
High Temp: 17 °C
Low Temp: 10 °C
Mean Temp: 14 °C
Precipitation: 122.0 mm
Humidity: 78%
Dew Point: 10 °C
Wind: 12 km/h
Pressure: 101.80 kPa
Visibility: 19 km
October Climate & Weather Averages in Herisau
High Temp: 13 °C
Low Temp: 7 °C
Mean Temp: 10 °C
Precipitation: 111.6 mm
Humidity: 79%
Dew Point: 6 °C
Wind: 12 km/h
Pressure: 101.82 kPa
Visibility: 24 km
November Climate & Weather Averages in Herisau
High Temp: 7 °C
Low Temp: 2 °C
Mean Temp: 5 °C
Precipitation: 80.9 mm
Humidity: 82%
Dew Point: 2 °C
Wind: 12 km/h
Pressure: 101.75 kPa
Visibility: 23 km
December Climate & Weather Averages in Herisau
High Temp: 5 °C
Low Temp: 0 °C
Mean Temp: 2 °C
Precipitation: 96.4 mm
Humidity: 78%
Dew Point: -1 °C
Wind: 14 km/h
Pressure: 102.25 kPa
Visibility: 25 km