With a population of around 11,900, Beauharnois sits in Quebec, Canada. The city operates in the Eastern Time Zone.
In 2025, Beauharnois averaged an annual temperature of 45°F, with hottest temperatures reaching 91°F in June and lowest around -11°F in February. The city received approximately 41 inches of precipitation during the year.
View historical weather for Beauharnois · More cities in Quebec