Currently: 12 °F. Light snow. Partly sunny. (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 1985–2015.
All Year Climate & Weather Averages in Ottawa
High Temp: 80 °F
Low Temp: 6 °F
Mean Temp: 44 °F
Precipitation: 1.77"
Humidity: 71%
Dew Point: 34 °F
Wind: 8 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: 1.67"
Humidity: 74%
Dew Point: 8 °F
Wind: 9 mph
Pressure: 30.03 "Hg
Visibility: 12 mi
February Climate & Weather Averages in Ottawa
High Temp: 26 °F
Low Temp: 8 °F
Mean Temp: 17 °F
Precipitation: 1.16"
Humidity: 69%
Dew Point: 8 °F
Wind: 9 mph
Pressure: 30.04 "Hg
Visibility: 13 mi
March Climate & Weather Averages in Ottawa
High Temp: 37 °F
Low Temp: 20 °F
Mean Temp: 28 °F
Precipitation: 1.37"
Humidity: 66%
Dew Point: 18 °F
Wind: 9 mph
Pressure: 30.03 "Hg
Visibility: 13 mi
April Climate & Weather Averages in Ottawa
High Temp: 53 °F
Low Temp: 34 °F
Mean Temp: 43 °F
Precipitation: 1.83"
Humidity: 62%
Dew Point: 29 °F
Wind: 9 mph
Pressure: 29.96 "Hg
Visibility: 15 mi
May Climate & Weather Averages in Ottawa
High Temp: 67 °F
Low Temp: 46 °F
Mean Temp: 56 °F
Precipitation: 1.79"
Humidity: 63%
Dew Point: 43 °F
Wind: 8 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: 2.18"
Humidity: 68%
Dew Point: 54 °F
Wind: 7 mph
Pressure: 29.92 "Hg
Visibility: 15 mi
July Climate & Weather Averages in Ottawa
High Temp: 80 °F
Low Temp: 60 °F
Mean Temp: 70 °F
Precipitation: 1.88"
Humidity: 69%
Dew Point: 59 °F
Wind: 7 mph
Pressure: 29.93 "Hg
Visibility: 15 mi
August Climate & Weather Averages in Ottawa
High Temp: 78 °F
Low Temp: 58 °F
Mean Temp: 68 °F
Precipitation: 1.65"
Humidity: 72%
Dew Point: 58 °F
Wind: 6 mph
Pressure: 29.98 "Hg
Visibility: 14 mi
September Climate & Weather Averages in Ottawa
High Temp: 69 °F
Low Temp: 49 °F
Mean Temp: 59 °F
Precipitation: 2.12"
Humidity: 75%
Dew Point: 51 °F
Wind: 7 mph
Pressure: 30.03 "Hg
Visibility: 14 mi
October Climate & Weather Averages in Ottawa
High Temp: 55 °F
Low Temp: 38 °F
Mean Temp: 47 °F
Precipitation: 1.97"
Humidity: 75%
Dew Point: 39 °F
Wind: 8 mph
Pressure: 30.02 "Hg
Visibility: 14 mi
November Climate & Weather Averages in Ottawa
High Temp: 42 °F
Low Temp: 28 °F
Mean Temp: 35 °F
Precipitation: 1.71"
Humidity: 77%
Dew Point: 28 °F
Wind: 9 mph
Pressure: 30.04 "Hg
Visibility: 13 mi
December Climate & Weather Averages in Ottawa
High Temp: 29 °F
Low Temp: 15 °F
Mean Temp: 22 °F
Precipitation: 1.86"
Humidity: 79%
Dew Point: 17 °F
Wind: 9 mph
Pressure: 30.04 "Hg
Visibility: 11 mi