Annual Weather Averages Near Orillia
Averages are for Lagoon City, which is 11 miles from Orillia.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Orillia
High Temp: 76 °F
Low Temp: 9 °F
Mean Temp: 44 °F
Precipitation: 1.62"
Humidity: 80%
Dew Point: 38 °F
Wind: 17 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Orillia
High Temp: 26 °F
Low Temp: 10 °F
Mean Temp: 18 °F
Precipitation: 1.17"
Humidity: 84%
Dew Point: 13 °F
Wind: 18 mph
Pressure: 30.02 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Orillia
High Temp: 27 °F
Low Temp: 9 °F
Mean Temp: 18 °F
Precipitation: 1.02"
Humidity: 82%
Dew Point: 14 °F
Wind: 18 mph
Pressure: 30.03 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Orillia
High Temp: 36 °F
Low Temp: 19 °F
Mean Temp: 28 °F
Precipitation: 1.35"
Humidity: 76%
Dew Point: 21 °F
Wind: 17 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Orillia
High Temp: 48 °F
Low Temp: 33 °F
Mean Temp: 40 °F
Precipitation: 1.65"
Humidity: 74%
Dew Point: 31 °F
Wind: 18 mph
Pressure: 29.97 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Orillia
High Temp: 62 °F
Low Temp: 45 °F
Mean Temp: 54 °F
Precipitation: 1.89"
Humidity: 74%
Dew Point: 45 °F
Wind: 16 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Orillia
High Temp: 72 °F
Low Temp: 56 °F
Mean Temp: 64 °F
Precipitation: 2.19"
Humidity: 77%
Dew Point: 56 °F
Wind: 15 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Orillia
High Temp: 76 °F
Low Temp: 61 °F
Mean Temp: 68 °F
Precipitation: 2.25"
Humidity: 77%
Dew Point: 61 °F
Wind: 15 mph
Pressure: 29.95 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Orillia
High Temp: 75 °F
Low Temp: 59 °F
Mean Temp: 67 °F
Precipitation: 1.97"
Humidity: 78%
Dew Point: 60 °F
Wind: 14 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Orillia
High Temp: 68 °F
Low Temp: 52 °F
Mean Temp: 60 °F
Precipitation: 1.62"
Humidity: 81%
Dew Point: 54 °F
Wind: 16 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Orillia
High Temp: 55 °F
Low Temp: 42 °F
Mean Temp: 48 °F
Precipitation: 1.87"
Humidity: 81%
Dew Point: 43 °F
Wind: 19 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Orillia
High Temp: 43 °F
Low Temp: 31 °F
Mean Temp: 37 °F
Precipitation: 1.24"
Humidity: 84%
Dew Point: 32 °F
Wind: 20 mph
Pressure: 30.03 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Orillia
High Temp: 32 °F
Low Temp: 20 °F
Mean Temp: 26 °F
Precipitation: 1.25"
Humidity: 86%
Dew Point: 22 °F
Wind: 21 mph
Pressure: 30.01 "Hg
Visibility: 8 mi