Princess Rosethorn, in Ontario, Canada, is home to roughly 11,100 people in the Eastern Time Zone at 43.7°N latitude.
In 2025, Princess Rosethorn recorded an average annual temperature of 48°F. The hottest temperatures reached 101°F in June; the coolest were -8°F in March. Total precipitation for the year was 31 inches, with the wettest month being May. Snowfall for the year totaled approximately 18 inches.
View current conditions and forecast for Princess Rosethorn · More cities in Ontario