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Climate & Weather Averages in Ottawa, Ontario, Canada

Currently: 41 °F. Overcast. (Weather station: Ottawa Int'L. Ont., Canada). See more current weather

Annual Weather Averages Near Ottawa

Averages are for Ottawa Int'L. Ont., which is 7 miles from Ottawa.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Ottawa

High Temp: 80 °F

Low Temp: 6 °F

Mean Temp: 44 °F

Precipitation: 3.06"

Humidity: 71%

Dew Point: 35 °F

Wind: 15 mph

Pressure: 30.00 "Hg

Visibility: 14 mi

January Climate & Weather Averages in Ottawa

High Temp: 23 °F

Low Temp: 6 °F

Mean Temp: 15 °F

Precipitation: 2.64"

Humidity: 75%

Dew Point: 8 °F

Wind: 17 mph

Pressure: 30.03 "Hg

Visibility: 12 mi

February Climate & Weather Averages in Ottawa

High Temp: 26 °F

Low Temp: 9 °F

Mean Temp: 17 °F

Precipitation: 2.14"

Humidity: 70%

Dew Point: 10 °F

Wind: 17 mph

Pressure: 30.03 "Hg

Visibility: 12 mi

March Climate & Weather Averages in Ottawa

High Temp: 36 °F

Low Temp: 20 °F

Mean Temp: 28 °F

Precipitation: 2.51"

Humidity: 66%

Dew Point: 18 °F

Wind: 17 mph

Pressure: 30.03 "Hg

Visibility: 13 mi

April Climate & Weather Averages in Ottawa

High Temp: 52 °F

Low Temp: 33 °F

Mean Temp: 42 °F

Precipitation: 3.11"

Humidity: 61%

Dew Point: 29 °F

Wind: 18 mph

Pressure: 29.97 "Hg

Visibility: 15 mi

May Climate & Weather Averages in Ottawa

High Temp: 67 °F

Low Temp: 45 °F

Mean Temp: 56 °F

Precipitation: 2.96"

Humidity: 62%

Dew Point: 42 °F

Wind: 16 mph

Pressure: 29.97 "Hg

Visibility: 15 mi

June Climate & Weather Averages in Ottawa

High Temp: 76 °F

Low Temp: 55 °F

Mean Temp: 66 °F

Precipitation: 3.91"

Humidity: 69%

Dew Point: 54 °F

Wind: 14 mph

Pressure: 29.92 "Hg

Visibility: 14 mi

July Climate & Weather Averages in Ottawa

High Temp: 80 °F

Low Temp: 60 °F

Mean Temp: 70 °F

Precipitation: 3.76"

Humidity: 70%

Dew Point: 59 °F

Wind: 13 mph

Pressure: 29.92 "Hg

Visibility: 15 mi

August Climate & Weather Averages in Ottawa

High Temp: 79 °F

Low Temp: 58 °F

Mean Temp: 68 °F

Precipitation: 3.21"

Humidity: 73%

Dew Point: 58 °F

Wind: 12 mph

Pressure: 29.98 "Hg

Visibility: 14 mi

September Climate & Weather Averages in Ottawa

High Temp: 70 °F

Low Temp: 50 °F

Mean Temp: 60 °F

Precipitation: 3.41"

Humidity: 75%

Dew Point: 52 °F

Wind: 13 mph

Pressure: 30.03 "Hg

Visibility: 14 mi

October Climate & Weather Averages in Ottawa

High Temp: 56 °F

Low Temp: 39 °F

Mean Temp: 47 °F

Precipitation: 3.42"

Humidity: 76%

Dew Point: 39 °F

Wind: 15 mph

Pressure: 30.02 "Hg

Visibility: 14 mi

November Climate & Weather Averages in Ottawa

High Temp: 42 °F

Low Temp: 27 °F

Mean Temp: 35 °F

Precipitation: 2.77"

Humidity: 77%

Dew Point: 28 °F

Wind: 16 mph

Pressure: 30.04 "Hg

Visibility: 13 mi

December Climate & Weather Averages in Ottawa

High Temp: 30 °F

Low Temp: 16 °F

Mean Temp: 23 °F

Precipitation: 2.86"

Humidity: 79%

Dew Point: 17 °F

Wind: 17 mph

Pressure: 30.03 "Hg

Visibility: 11 mi

Quick Climate Info

Hottest MonthJuly (70 °F avg)
Coldest MonthJanuary (15 °F avg)
Wettest MonthJune (3.91" avg)
Windiest MonthApril (18 mph avg)
Annual precip.36.69" (per year)

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