When to go · Cornwall, Ontario
Cornwall, Ontario in March
Mixed month. Outside the best window (Jun–Sep). Across Canada: Late ski season; sugar shacks in Québec open for maple season.
Key facts
- Verdict
- Mixed
- Temperature
- 4°C (38°F)38°F (4°C) / −5°C (22°F)22°F (−5°C)
- average high / low
- Rain days
- 12
- Crowds
- Low
- Canada overall
- Prices
- Low
- Canada overall
Verdict
Outside the best window (Jun–Sep). Across Canada: Late ski season; sugar shacks in Québec open for maple season.
Is another month better than March?
March is rated mixed. These months rate higher:
Weather in March
- Cornwall, OntarioHighs around 3.5 °C (38 °F), lows around -5.3 °C (22 °F), rain on about 12 daysHighs around 38 °F (3.5 °C), lows around 22 °F (-5.3 °C), rain on about 12 days
Crowds and prices
- Crowds · Canada overall
- Low
- Prices · Canada overall
- Low
Canada overall: Late ski season; sugar shacks in Québec open for maple season.
Compare two months
Weather, crowds and prices for any two months in Cornwall, Ontario, side by side.
Verdict
Mar: Mixed
Jun: Great (better)
Daytime high
Mar: 3.5 °C (38 °F)38 °F (3.5 °C)
Jun: 24.6 °C (76 °F)76 °F (24.6 °C)
Night low
Mar: -5.3 °C (22 °F)22 °F (-5.3 °C)
Jun: 14.1 °C (57 °F)57 °F (14.1 °C)
Rain days
Mar: 12 (better)
Jun: 13
Crowds
Mar: Low
Jun: Medium
Prices
Mar: Low
Jun: Medium
Festivals listed
Mar: 0
Jun: 1
March: Outside the best window (Jun–Sep). Across Canada: Late ski season; sugar shacks in Québec open for maple season.
June: Inside Cornwall, Ontario's best window: Jun–Sep.
Cornwall, Ontario: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings
- A rain jacket or umbrella and shoes that dry fast