Winters in Repentigny are harsh and cold, with temperatures often below -20°C, especially in January and February. Spring brings gradual warming, with temperatures rising steadily from around 0°C in March to averages above 8°C by April. Summer is mild, with warmest months being June and July, averaging highs around 30-33°C, but also experiencing occasional cooler days. Autumn is cool, with a slow decline in temperature from September to November, but still sees some warmer days. Overall, temperatures can fluctuate significantly throughout the year, with averages ranging from -7°C in February to 22°C in August.