Alderwood, in Ontario, Canada, is home to roughly 12,100 people in the Eastern Time Zone at 43.6°N latitude.
In 2025, Alderwood recorded an average annual temperature of 48°F. The hottest temperatures reached 99°F in June; the coolest were -3°F in March. Total precipitation for the year was 31 inches, with the wettest month being May. Snowfall for the year totaled approximately 17 inches.
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