Mississippi Mills, in Ontario, Canada, is home to roughly 14,700 people in the Eastern Time Zone at 45.2°N latitude.
In 2025, Mississippi Mills recorded an average annual temperature of 43°F. The hottest temperatures reached 92°F in June; the coolest were -14°F in January. Total precipitation for the year was 31 inches, with the wettest month being April. Snowfall for the year totaled approximately 25 inches.
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