Cornwall, nestled in Eastern Ontario, embraces a unique and captivating climate. This charming region experiences distinct seasons, with snowy winters and warm, humid summers. Precipitation occurs  year-round, offering an average of 12 precipitation days per month. It is vital to dress thoughtfully, particularly during the winter season, by ensuring warm clothing and suitable footwear. This allows residents to fully embrace and enjoy the ever-changing weather patterns of the region.

Average Daily High Temperature

Here are some statistical benchmarks for weather in the area:

  • June to August: 25 C
  • September to November: 11 C
  • December to Feburary: -3 C
  • March to May: 11 C
Air Quality

Cornwall has some of the sunniest skies and cleanest air of communities in Canada.

Current Weather Forecast