Annual Weather Averages Near Port Huron
Averages are for Sarnia Airport, which is 6 miles from Port Huron.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Port Huron
High Temp: 80 °F
Low Temp: 18 °F
Mean Temp: 48 °F
Precipitation: 2.86"
Humidity: 75%
Dew Point: 39 °F
Wind: 17 mph
Pressure: 30.02 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Port Huron
High Temp: 30 °F
Low Temp: 18 °F
Mean Temp: 24 °F
Precipitation: 2.69"
Humidity: 80%
Dew Point: 18 °F
Wind: 20 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Port Huron
High Temp: 32 °F
Low Temp: 18 °F
Mean Temp: 25 °F
Precipitation: 1.85"
Humidity: 77%
Dew Point: 19 °F
Wind: 19 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Port Huron
High Temp: 41 °F
Low Temp: 26 °F
Mean Temp: 34 °F
Precipitation: 2.23"
Humidity: 74%
Dew Point: 25 °F
Wind: 19 mph
Pressure: 30.06 "Hg
Visibility: 10 mi
April Climate & Weather Averages in Port Huron
High Temp: 53 °F
Low Temp: 35 °F
Mean Temp: 44 °F
Precipitation: 2.89"
Humidity: 70%
Dew Point: 34 °F
Wind: 19 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Port Huron
High Temp: 66 °F
Low Temp: 45 °F
Mean Temp: 55 °F
Precipitation: 3.09"
Humidity: 71%
Dew Point: 45 °F
Wind: 17 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Port Huron
High Temp: 75 °F
Low Temp: 56 °F
Mean Temp: 66 °F
Precipitation: 3.40"
Humidity: 73%
Dew Point: 56 °F
Wind: 14 mph
Pressure: 29.95 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Port Huron
High Temp: 80 °F
Low Temp: 61 °F
Mean Temp: 70 °F
Precipitation: 3.50"
Humidity: 74%
Dew Point: 61 °F
Wind: 13 mph
Pressure: 29.97 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Port Huron
High Temp: 78 °F
Low Temp: 60 °F
Mean Temp: 69 °F
Precipitation: 2.92"
Humidity: 76%
Dew Point: 61 °F
Wind: 12 mph
Pressure: 30.01 "Hg
Visibility: 10 mi
September Climate & Weather Averages in Port Huron
High Temp: 72 °F
Low Temp: 53 °F
Mean Temp: 63 °F
Precipitation: 3.37"
Humidity: 77%
Dew Point: 54 °F
Wind: 14 mph
Pressure: 30.05 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Port Huron
High Temp: 60 °F
Low Temp: 43 °F
Mean Temp: 51 °F
Precipitation: 2.74"
Humidity: 76%
Dew Point: 43 °F
Wind: 17 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Port Huron
High Temp: 47 °F
Low Temp: 33 °F
Mean Temp: 40 °F
Precipitation: 2.87"
Humidity: 77%
Dew Point: 33 °F
Wind: 19 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Port Huron
High Temp: 36 °F
Low Temp: 25 °F
Mean Temp: 30 °F
Precipitation: 2.79"
Humidity: 80%
Dew Point: 25 °F
Wind: 19 mph
Pressure: 30.05 "Hg
Visibility: 9 mi