Ottawa

How to get there

When to go

Best months: September

Month Avg high Avg low Rainfall
January -3° -13° 75 mm
February -2° -12° 75 mm
March -6° 76 mm
April 11° 100 mm
May 20° 86 mm
June 24° 14° 100 mm
July 27° 17° 108 mm
August 25° 17° 109 mm
September 22° 13° 69 mm
October 15° 104 mm
November -1° 75 mm
December -7° 85 mm

Averages for 2015-2024 from the ERA5 reanalysis. Highlighted months have an average high between 18 and 30 degrees and under 80 mm of rain.