Annual Weather Averages in Toronto Pearson International Airport
Toronto Pearson International Airport is 20 miles from Halton Hills, so the actual climate in Halton Hills can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Halton Hills
High Temp: 82 °F
Low Temp: 16 °F
Mean Temp: 48 °F
Precipitation: 2.63"
Humidity: 70%
Dew Point: 38 °F
Wind: 18 mph
Pressure: 30.01 "Hg
Visibility: 13 mi
January Climate & Weather Averages in Halton Hills
High Temp: 31 °F
Low Temp: 16 °F
Mean Temp: 23 °F
Precipitation: 2.32"
Humidity: 76%
Dew Point: 17 °F
Wind: 20 mph
Pressure: 30.04 "Hg
Visibility: 11 mi
February Climate & Weather Averages in Halton Hills
High Temp: 32 °F
Low Temp: 17 °F
Mean Temp: 24 °F
Precipitation: 2.04"
Humidity: 73%
Dew Point: 17 °F
Wind: 20 mph
Pressure: 30.05 "Hg
Visibility: 12 mi
March Climate & Weather Averages in Halton Hills
High Temp: 41 °F
Low Temp: 25 °F
Mean Temp: 33 °F
Precipitation: 1.87"
Humidity: 67%
Dew Point: 23 °F
Wind: 20 mph
Pressure: 30.05 "Hg
Visibility: 13 mi
April Climate & Weather Averages in Halton Hills
High Temp: 54 °F
Low Temp: 35 °F
Mean Temp: 44 °F
Precipitation: 3.09"
Humidity: 63%
Dew Point: 31 °F
Wind: 19 mph
Pressure: 29.98 "Hg
Visibility: 14 mi
May Climate & Weather Averages in Halton Hills
High Temp: 67 °F
Low Temp: 46 °F
Mean Temp: 56 °F
Precipitation: 2.94"
Humidity: 64%
Dew Point: 43 °F
Wind: 17 mph
Pressure: 29.98 "Hg
Visibility: 14 mi
June Climate & Weather Averages in Halton Hills
High Temp: 77 °F
Low Temp: 57 °F
Mean Temp: 67 °F
Precipitation: 3.18"
Humidity: 66%
Dew Point: 54 °F
Wind: 16 mph
Pressure: 29.94 "Hg
Visibility: 14 mi
July Climate & Weather Averages in Halton Hills
High Temp: 82 °F
Low Temp: 62 °F
Mean Temp: 72 °F
Precipitation: 3.03"
Humidity: 66%
Dew Point: 59 °F
Wind: 16 mph
Pressure: 29.95 "Hg
Visibility: 14 mi
August Climate & Weather Averages in Halton Hills
High Temp: 80 °F
Low Temp: 61 °F
Mean Temp: 70 °F
Precipitation: 2.67"
Humidity: 69%
Dew Point: 59 °F
Wind: 15 mph
Pressure: 30.00 "Hg
Visibility: 14 mi
September Climate & Weather Averages in Halton Hills
High Temp: 73 °F
Low Temp: 53 °F
Mean Temp: 63 °F
Precipitation: 2.75"
Humidity: 72%
Dew Point: 53 °F
Wind: 15 mph
Pressure: 30.04 "Hg
Visibility: 14 mi
October Climate & Weather Averages in Halton Hills
High Temp: 59 °F
Low Temp: 42 °F
Mean Temp: 51 °F
Precipitation: 2.69"
Humidity: 74%
Dew Point: 42 °F
Wind: 17 mph
Pressure: 30.03 "Hg
Visibility: 13 mi
November Climate & Weather Averages in Halton Hills
High Temp: 46 °F
Low Temp: 32 °F
Mean Temp: 39 °F
Precipitation: 2.65"
Humidity: 75%
Dew Point: 32 °F
Wind: 18 mph
Pressure: 30.05 "Hg
Visibility: 13 mi
December Climate & Weather Averages in Halton Hills
High Temp: 36 °F
Low Temp: 24 °F
Mean Temp: 30 °F
Precipitation: 2.31"
Humidity: 77%
Dew Point: 24 °F
Wind: 19 mph
Pressure: 30.04 "Hg
Visibility: 12 mi