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Climate & Weather Averages in Port Huron, Michigan, USA

Currently: 46 °F. Broken clouds. (Weather station: Sarnia Airport, USA). See more current weather

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

Quick Climate Info

Hottest MonthJuly (70 °F avg)
Coldest MonthJanuary (24 °F avg)
Wettest MonthJuly (3.50" avg)
Windiest MonthJanuary (20 mph avg)
Annual precip.34.34" (per year)

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