Annual Weather Averages in St. George
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in St. George
High Temp: 39 °C
Low Temp: -1 °C
Mean Temp: 18 °C
Precipitation: 17.4 mm
Humidity: 35%
Dew Point: -1 °C
Wind: 18 km/h
Pressure: 101.58 kPa
Visibility: 16 km
January Climate & Weather Averages in St. George
High Temp: 13 °C
Low Temp: -1 °C
Mean Temp: 6 °C
Precipitation: 25.2 mm
Humidity: 53%
Dew Point: -4 °C
Wind: 10 km/h
Pressure: 102.15 kPa
Visibility: 16 km
February Climate & Weather Averages in St. George
High Temp: 15 °C
Low Temp: 1 °C
Mean Temp: 9 °C
Precipitation: 31.8 mm
Humidity: 49%
Dew Point: -3 °C
Wind: 13 km/h
Pressure: 101.82 kPa
Visibility: 16 km
March Climate & Weather Averages in St. George
High Temp: 21 °C
Low Temp: 5 °C
Mean Temp: 13 °C
Precipitation: 25.3 mm
Humidity: 38%
Dew Point: -3 °C
Wind: 18 km/h
Pressure: 101.60 kPa
Visibility: 16 km
April Climate & Weather Averages in St. George
High Temp: 25 °C
Low Temp: 9 °C
Mean Temp: 17 °C
Precipitation: 15.5 mm
Humidity: 30%
Dew Point: -3 °C
Wind: 23 km/h
Pressure: 101.31 kPa
Visibility: 16 km
May Climate & Weather Averages in St. George
High Temp: 30 °C
Low Temp: 14 °C
Mean Temp: 22 °C
Precipitation: 7.8 mm
Humidity: 23%
Dew Point: -1 °C
Wind: 25 km/h
Pressure: 101.17 kPa
Visibility: 16 km
June Climate & Weather Averages in St. George
High Temp: 37 °C
Low Temp: 19 °C
Mean Temp: 28 °C
Precipitation: 3.9 mm
Humidity: 17%
Dew Point: -1 °C
Wind: 25 km/h
Pressure: 101.07 kPa
Visibility: 16 km
July Climate & Weather Averages in St. George
High Temp: 39 °C
Low Temp: 23 °C
Mean Temp: 31 °C
Precipitation: 12.4 mm
Humidity: 24%
Dew Point: 6 °C
Wind: 24 km/h
Pressure: 101.29 kPa
Visibility: 16 km
August Climate & Weather Averages in St. George
High Temp: 38 °C
Low Temp: 22 °C
Mean Temp: 30 °C
Precipitation: 17.7 mm
Humidity: 26%
Dew Point: 7 °C
Wind: 21 km/h
Pressure: 101.36 kPa
Visibility: 16 km
September Climate & Weather Averages in St. George
High Temp: 34 °C
Low Temp: 17 °C
Mean Temp: 26 °C
Precipitation: 13.8 mm
Humidity: 26%
Dew Point: 3 °C
Wind: 18 km/h
Pressure: 101.42 kPa
Visibility: 16 km
October Climate & Weather Averages in St. George
High Temp: 26 °C
Low Temp: 10 °C
Mean Temp: 18 °C
Precipitation: 21.5 mm
Humidity: 32%
Dew Point: -1 °C
Wind: 14 km/h
Pressure: 101.66 kPa
Visibility: 16 km
November Climate & Weather Averages in St. George
High Temp: 18 °C
Low Temp: 3 °C
Mean Temp: 11 °C
Precipitation: 13.6 mm
Humidity: 41%
Dew Point: -4 °C
Wind: 10 km/h
Pressure: 101.99 kPa
Visibility: 16 km
December Climate & Weather Averages in St. George
High Temp: 12 °C
Low Temp: -1 °C
Mean Temp: 5 °C
Precipitation: 19.9 mm
Humidity: 54%
Dew Point: -5 °C
Wind: 10 km/h
Pressure: 102.12 kPa
Visibility: 16 km