With a population of around 1,300, Saint Leonard dAston sits in Quebec, Canada. The city operates in the Eastern Time Zone.
In 2025, Saint Leonard dAston recorded an average annual temperature of 43°F. The hottest temperatures reached 89°F in June; the coolest were -21°F in February. Total precipitation for the year was 44 inches, with the wettest month being June. Snowfall for the year totaled approximately 33 inches.
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