Cornwall is a city of approximately 6,600 people in Prince Edward Island, Canada. Located in the America/Halifax time zone at 46.2°N latitude.
Recent weather here gives a sense of typical conditions: in 2025, Cornwall recorded a mean annual temperature of 45°F, ranging from -2°F lows in February to 87°F highs in August, with about 40 inches of precipitation across the year.
View historical weather for Cornwall · More cities in Prince Edward Island