Currently: 56 °F. Cool. (Weather station: Atikokan Automated Reporting Station, Canada). See more current weatherAnnual Weather Averages in Atikokan Automated Reporting Station
Atikokan Automated Reporting Station is 48 miles from Ottawa Island, so the actual climate in Ottawa Island can vary a bit.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Ottawa Island
High Temp: 78 °F
Low Temp: -7 °F
Mean Temp: 36 °F
Precipitation: 2.08"
Humidity: 71%
Dew Point: 28 °F
Wind: 15 mph
Pressure: 29.99 "Hg
Visibility: N/A
January Climate & Weather Averages in Ottawa Island
High Temp: 14 °F
Low Temp: -5 °F
Mean Temp: 5 °F
Precipitation: 0.50"
Humidity: 78%
Dew Point: 0 °F
Wind: 15 mph
Pressure: 30.08 "Hg
Visibility: N/A
February Climate & Weather Averages in Ottawa Island
High Temp: 14 °F
Low Temp: -7 °F
Mean Temp: 3 °F
Precipitation: 0.43"
Humidity: 73%
Dew Point: -2 °F
Wind: 15 mph
Pressure: 30.13 "Hg
Visibility: N/A
March Climate & Weather Averages in Ottawa Island
High Temp: 32 °F
Low Temp: 11 °F
Mean Temp: 21 °F
Precipitation: 1.96"
Humidity: 70%
Dew Point: 14 °F
Wind: 16 mph
Pressure: 30.09 "Hg
Visibility: N/A
April Climate & Weather Averages in Ottawa Island
High Temp: 46 °F
Low Temp: 24 °F
Mean Temp: 35 °F
Precipitation: 0.97"
Humidity: 63%
Dew Point: 22 °F
Wind: 16 mph
Pressure: 30.04 "Hg
Visibility: N/A
May Climate & Weather Averages in Ottawa Island
High Temp: 63 °F
Low Temp: 38 °F
Mean Temp: 50 °F
Precipitation: 1.91"
Humidity: 60%
Dew Point: 36 °F
Wind: 16 mph
Pressure: 29.98 "Hg
Visibility: N/A
June Climate & Weather Averages in Ottawa Island
High Temp: 74 °F
Low Temp: 52 °F
Mean Temp: 63 °F
Precipitation: 3.20"
Humidity: 64%
Dew Point: 50 °F
Wind: 15 mph
Pressure: 29.84 "Hg
Visibility: N/A
July Climate & Weather Averages in Ottawa Island
High Temp: 78 °F
Low Temp: 55 °F
Mean Temp: 67 °F
Precipitation: 3.02"
Humidity: 68%
Dew Point: 56 °F
Wind: 13 mph
Pressure: 29.89 "Hg
Visibility: N/A
August Climate & Weather Averages in Ottawa Island
High Temp: 76 °F
Low Temp: 52 °F
Mean Temp: 64 °F
Precipitation: 2.59"
Humidity: 70%
Dew Point: 54 °F
Wind: 13 mph
Pressure: 29.89 "Hg
Visibility: N/A
September Climate & Weather Averages in Ottawa Island
High Temp: 67 °F
Low Temp: 44 °F
Mean Temp: 56 °F
Precipitation: 2.39"
Humidity: 70%
Dew Point: 45 °F
Wind: 15 mph
Pressure: 29.93 "Hg
Visibility: N/A
October Climate & Weather Averages in Ottawa Island
High Temp: 49 °F
Low Temp: 32 °F
Mean Temp: 41 °F
Precipitation: 1.53"
Humidity: 75%
Dew Point: 33 °F
Wind: 17 mph
Pressure: 29.93 "Hg
Visibility: N/A
November Climate & Weather Averages in Ottawa Island
High Temp: 31 °F
Low Temp: 16 °F
Mean Temp: 24 °F
Precipitation: 3.71"
Humidity: 79%
Dew Point: 19 °F
Wind: 17 mph
Pressure: 30.02 "Hg
Visibility: N/A
December Climate & Weather Averages in Ottawa Island
High Temp: 16 °F
Low Temp: -1 °F
Mean Temp: 8 °F
Precipitation: 2.74"
Humidity: 81%
Dew Point: 4 °F
Wind: 15 mph
Pressure: 30.05 "Hg
Visibility: N/A