Mount Olive Silverstone Jamestown is a city of approximately 33,000 people in Ontario, Canada. Located in the Eastern Time Zone at 43.7°N latitude.
In 2025, Mount Olive Silverstone Jamestown recorded an average annual temperature of 48°F. The hottest temperatures reached 100°F in June; the coolest were -8°F in January. Total precipitation for the year was 31 inches, with the wettest month being May. Snowfall for the year totaled approximately 19 inches.
View current conditions and forecast for Mount Olive Silverstone Jamestown · More cities in Ontario