When to go · Cornwall, Ontario
Cornwall, Ontario in January
Avoid month. Listed as a month to avoid: Jan–Feb (cold, snow), Nov (grey and wet).
Key facts
- Verdict
- Avoid
- Temperature
- −4°C (25°F)25°F (−4°C) / −12°C (11°F)11°F (−12°C)
- average high / low
- Rain days
- 14
- Crowds
- Low
- Canada overall
- Prices
- Low
- Canada overall
Verdict
Listed as a month to avoid: Jan–Feb (cold, snow), Nov (grey and wet).
Is another month better than January?
January is rated avoid. These months rate higher:
Weather in January
- Cornwall, OntarioHighs around -3.8 °C (25 °F), lows around -11.8 °C (11 °F), rain on about 14 daysHighs around 25 °F (-3.8 °C), lows around 11 °F (-11.8 °C), rain on about 14 days
Crowds and prices
- Crowds · Canada overall
- Low
- Prices · Canada overall
- Low
Canada overall: Deep cold east of the Rockies; ski season in Whistler and Banff; northern lights in Yellowknife.
Compare two months
Weather, crowds and prices for any two months in Cornwall, Ontario, side by side.
Verdict
Jan: Avoid
Jun: Great (better)
Daytime high
Jan: -3.8 °C (25 °F)25 °F (-3.8 °C)
Jun: 24.6 °C (76 °F)76 °F (24.6 °C)
Night low
Jan: -11.8 °C (11 °F)11 °F (-11.8 °C)
Jun: 14.1 °C (57 °F)57 °F (14.1 °C)
Rain days
Jan: 14
Jun: 13 (better)
Crowds
Jan: Low
Jun: Medium
Prices
Jan: Low
Jun: Medium
Festivals listed
Jan: 0
Jun: 1
January: Listed as a month to avoid: Jan–Feb (cold, snow), Nov (grey and wet).
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