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