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Climate & Weather Averages in Mary's Harbour, Newfoundland and Labrador, Canada

Currently: 41 °F. Partly sunny. (Weather station: Mary's Harbour, Canada). See more current weather

Annual Weather Averages in Mary's Harbour

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Mary's Harbour

High Temp: 66 °F

Low Temp: 2 °F

Mean Temp: 34 °F

Precipitation: 3.01"

Humidity: 77%

Dew Point: 28 °F

Wind: 19 mph

Pressure: 29.85 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Mary's Harbour

High Temp: 20 °F

Low Temp: 2 °F

Mean Temp: 11 °F

Precipitation: 3.00"

Humidity: 73%

Dew Point: 5 °F

Wind: 21 mph

Pressure: 29.72 "Hg

Visibility: 8 mi

February Climate & Weather Averages in Mary's Harbour

High Temp: 20 °F

Low Temp: 2 °F

Mean Temp: 11 °F

Precipitation: 2.55"

Humidity: 72%

Dew Point: 4 °F

Wind: 21 mph

Pressure: 29.76 "Hg

Visibility: 8 mi

March Climate & Weather Averages in Mary's Harbour

High Temp: 28 °F

Low Temp: 11 °F

Mean Temp: 20 °F

Precipitation: 4.02"

Humidity: 74%

Dew Point: 13 °F

Wind: 22 mph

Pressure: 29.85 "Hg

Visibility: 8 mi

April Climate & Weather Averages in Mary's Harbour

High Temp: 37 °F

Low Temp: 24 °F

Mean Temp: 30 °F

Precipitation: 2.44"

Humidity: 79%

Dew Point: 24 °F

Wind: 21 mph

Pressure: 29.90 "Hg

Visibility: 8 mi

May Climate & Weather Averages in Mary's Harbour

High Temp: 45 °F

Low Temp: 32 °F

Mean Temp: 38 °F

Precipitation: 2.76"

Humidity: 80%

Dew Point: 32 °F

Wind: 18 mph

Pressure: 29.95 "Hg

Visibility: 9 mi

June Climate & Weather Averages in Mary's Harbour

High Temp: 58 °F

Low Temp: 40 °F

Mean Temp: 49 °F

Precipitation: 2.83"

Humidity: 79%

Dew Point: 41 °F

Wind: 18 mph

Pressure: 29.88 "Hg

Visibility: 9 mi

July Climate & Weather Averages in Mary's Harbour

High Temp: 66 °F

Low Temp: 47 °F

Mean Temp: 57 °F

Precipitation: 3.00"

Humidity: 79%

Dew Point: 49 °F

Wind: 16 mph

Pressure: 29.85 "Hg

Visibility: 9 mi

August Climate & Weather Averages in Mary's Harbour

High Temp: 66 °F

Low Temp: 49 °F

Mean Temp: 57 °F

Precipitation: 2.90"

Humidity: 80%

Dew Point: 50 °F

Wind: 16 mph

Pressure: 29.87 "Hg

Visibility: 9 mi

September Climate & Weather Averages in Mary's Harbour

High Temp: 58 °F

Low Temp: 42 °F

Mean Temp: 50 °F

Precipitation: 2.69"

Humidity: 78%

Dew Point: 43 °F

Wind: 18 mph

Pressure: 29.88 "Hg

Visibility: 10 mi

October Climate & Weather Averages in Mary's Harbour

High Temp: 46 °F

Low Temp: 34 °F

Mean Temp: 40 °F

Precipitation: 3.67"

Humidity: 80%

Dew Point: 34 °F

Wind: 19 mph

Pressure: 29.88 "Hg

Visibility: 9 mi

November Climate & Weather Averages in Mary's Harbour

High Temp: 35 °F

Low Temp: 23 °F

Mean Temp: 29 °F

Precipitation: 3.33"

Humidity: 79%

Dew Point: 24 °F

Wind: 20 mph

Pressure: 29.86 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Mary's Harbour

High Temp: 27 °F

Low Temp: 12 °F

Mean Temp: 19 °F

Precipitation: 2.91"

Humidity: 77%

Dew Point: 14 °F

Wind: 21 mph

Pressure: 29.77 "Hg

Visibility: 8 mi

Quick Climate Info

Hottest MonthAugust (57 °F avg)
Coldest MonthFebruary (11 °F avg)
Wettest MonthMarch (4.02" avg)
Windiest MonthMarch (22 mph avg)
Annual precip.36.08" (per year)

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