Currently: 61 °F. Mostly cloudy. (Weather station: Ottawa Int'L. Ont., Canada). See more current weatherAnnual 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