Annual Weather Averages Near Gravenhurst
Averages are for Muskoka, which is 5 miles from Gravenhurst.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Gravenhurst
High Temp: 77 °F
Low Temp: 6 °F
Mean Temp: 42 °F
Precipitation: 3.03"
Humidity: 77%
Dew Point: 35 °F
Wind: 12 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Gravenhurst
High Temp: 25 °F
Low Temp: 6 °F
Mean Temp: 15 °F
Precipitation: 3.14"
Humidity: 82%
Dew Point: 12 °F
Wind: 13 mph
Pressure: 30.02 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Gravenhurst
High Temp: 27 °F
Low Temp: 7 °F
Mean Temp: 17 °F
Precipitation: 2.17"
Humidity: 77%
Dew Point: 12 °F
Wind: 14 mph
Pressure: 30.03 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Gravenhurst
High Temp: 36 °F
Low Temp: 17 °F
Mean Temp: 27 °F
Precipitation: 2.29"
Humidity: 70%
Dew Point: 19 °F
Wind: 14 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Gravenhurst
High Temp: 50 °F
Low Temp: 30 °F
Mean Temp: 40 °F
Precipitation: 2.73"
Humidity: 67%
Dew Point: 29 °F
Wind: 15 mph
Pressure: 29.97 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Gravenhurst
High Temp: 65 °F
Low Temp: 41 °F
Mean Temp: 53 °F
Precipitation: 3.05"
Humidity: 68%
Dew Point: 42 °F
Wind: 13 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Gravenhurst
High Temp: 73 °F
Low Temp: 51 °F
Mean Temp: 62 °F
Precipitation: 3.04"
Humidity: 73%
Dew Point: 54 °F
Wind: 12 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Gravenhurst
High Temp: 77 °F
Low Temp: 56 °F
Mean Temp: 67 °F
Precipitation: 3.39"
Humidity: 75%
Dew Point: 58 °F
Wind: 11 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Gravenhurst
High Temp: 76 °F
Low Temp: 54 °F
Mean Temp: 65 °F
Precipitation: 3.12"
Humidity: 78%
Dew Point: 58 °F
Wind: 10 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Gravenhurst
High Temp: 68 °F
Low Temp: 47 °F
Mean Temp: 58 °F
Precipitation: 3.40"
Humidity: 81%
Dew Point: 52 °F
Wind: 10 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Gravenhurst
High Temp: 55 °F
Low Temp: 37 °F
Mean Temp: 46 °F
Precipitation: 3.62"
Humidity: 82%
Dew Point: 40 °F
Wind: 12 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Gravenhurst
High Temp: 41 °F
Low Temp: 27 °F
Mean Temp: 34 °F
Precipitation: 3.45"
Humidity: 84%
Dew Point: 30 °F
Wind: 13 mph
Pressure: 30.03 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Gravenhurst
High Temp: 30 °F
Low Temp: 16 °F
Mean Temp: 23 °F
Precipitation: 2.99"
Humidity: 85%
Dew Point: 20 °F
Wind: 13 mph
Pressure: 30.02 "Hg
Visibility: 8 mi