With a population of around 8,200, Renfrew sits in Ontario, Canada. The city operates in the Eastern Time Zone.
In 2025, Renfrew recorded an average annual temperature of 43°F. The hottest temperatures reached 92°F in August; the coolest were -13°F in January. Total precipitation for the year was 34 inches, with the wettest month being April. Snowfall for the year totaled approximately 26 inches.
View current conditions and forecast for Renfrew · More cities in Ontario