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Climate & Weather Averages in Markham, Ontario, Canada

Currently: 72 °F. Clear. (Weather station: Toronto Island Airport, Canada). See more current weather

Annual Weather Averages in Markham

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Markham

High Temp: 81 °F

Low Temp: 15 °F

Mean Temp: 47 °F

Precipitation: 2.73"

Humidity: 72%

Dew Point: 38 °F

Wind: 15 mph

Pressure: 30.01 "Hg

Visibility: 12 mi

January Climate & Weather Averages in Markham

High Temp: 30 °F

Low Temp: 15 °F

Mean Temp: 22 °F

Precipitation: 2.47"

Humidity: 75%

Dew Point: 16 °F

Wind: 16 mph

Pressure: 30.03 "Hg

Visibility: 10 mi

February Climate & Weather Averages in Markham

High Temp: 31 °F

Low Temp: 15 °F

Mean Temp: 23 °F

Precipitation: 2.10"

Humidity: 72%

Dew Point: 16 °F

Wind: 17 mph

Pressure: 30.04 "Hg

Visibility: 11 mi

March Climate & Weather Averages in Markham

High Temp: 40 °F

Low Temp: 23 °F

Mean Temp: 32 °F

Precipitation: 2.06"

Humidity: 68%

Dew Point: 22 °F

Wind: 17 mph

Pressure: 30.05 "Hg

Visibility: 11 mi

April Climate & Weather Averages in Markham

High Temp: 53 °F

Low Temp: 34 °F

Mean Temp: 43 °F

Precipitation: 3.15"

Humidity: 64%

Dew Point: 31 °F

Wind: 17 mph

Pressure: 29.98 "Hg

Visibility: 12 mi

May Climate & Weather Averages in Markham

High Temp: 66 °F

Low Temp: 45 °F

Mean Temp: 56 °F

Precipitation: 2.87"

Humidity: 65%

Dew Point: 43 °F

Wind: 14 mph

Pressure: 29.98 "Hg

Visibility: 12 mi

June Climate & Weather Averages in Markham

High Temp: 76 °F

Low Temp: 56 °F

Mean Temp: 66 °F

Precipitation: 3.28"

Humidity: 68%

Dew Point: 54 °F

Wind: 13 mph

Pressure: 29.94 "Hg

Visibility: 12 mi

July Climate & Weather Averages in Markham

High Temp: 81 °F

Low Temp: 61 °F

Mean Temp: 71 °F

Precipitation: 3.19"

Humidity: 69%

Dew Point: 59 °F

Wind: 13 mph

Pressure: 29.95 "Hg

Visibility: 12 mi

August Climate & Weather Averages in Markham

High Temp: 79 °F

Low Temp: 59 °F

Mean Temp: 69 °F

Precipitation: 2.71"

Humidity: 72%

Dew Point: 59 °F

Wind: 12 mph

Pressure: 30.00 "Hg

Visibility: 12 mi

September Climate & Weather Averages in Markham

High Temp: 72 °F

Low Temp: 52 °F

Mean Temp: 62 °F

Precipitation: 3.04"

Humidity: 74%

Dew Point: 53 °F

Wind: 12 mph

Pressure: 30.04 "Hg

Visibility: 12 mi

October Climate & Weather Averages in Markham

High Temp: 58 °F

Low Temp: 41 °F

Mean Temp: 49 °F

Precipitation: 2.75"

Humidity: 77%

Dew Point: 42 °F

Wind: 14 mph

Pressure: 30.03 "Hg

Visibility: 12 mi

November Climate & Weather Averages in Markham

High Temp: 45 °F

Low Temp: 31 °F

Mean Temp: 38 °F

Precipitation: 2.81"

Humidity: 77%

Dew Point: 32 °F

Wind: 15 mph

Pressure: 30.05 "Hg

Visibility: 11 mi

December Climate & Weather Averages in Markham

High Temp: 35 °F

Low Temp: 23 °F

Mean Temp: 29 °F

Precipitation: 2.39"

Humidity: 78%

Dew Point: 23 °F

Wind: 16 mph

Pressure: 30.04 "Hg

Visibility: 10 mi

Quick Climate Info

Hottest MonthJuly (71 °F avg)
Coldest MonthJanuary (22 °F avg)
Wettest MonthJune (3.28" avg)
Windiest MonthMarch (17 mph avg)
Annual precip.32.81" (per year)

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