Weather in Saint-Jean-sur-Richelieu in August

Saint-Jean-sur-Richelieu, Canada averages a high of 24.4°C (75.9°F) and low of 16.3°C (61.3°F) in August, with 12 rain days and 11 hours of daily sunshine. Travel score: 80.2/100 (Excellent). The best time to visit Saint-Jean-sur-Richelieu is August.

High
24°C76°F
Low
16°C61°F
🌧️
12
rain days
☀️
11
hrs/day sunshine
💧
76%
humidity
80Excellent

August in Saint-Jean-sur-Richelieu is warm and occasionally wet — ideal for sightseeing and outdoor activities.

What are the average temperatures in Saint-Jean-sur-Richelieu?

JanFebMarAprMayJunJulAug24°16°SepOctNovDec

How much does it rain in Saint-Jean-sur-Richelieu in August?

Saint-Jean-sur-Richelieu receives an average of 108.8mm of rainfall across 12 rainy days in August. The annual total is 1105.6mm.

JanFebMarAprMayJunJulAug12dSepOctNovDec

What should I pack for Saint-Jean-sur-Richelieu in August?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 24°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun

Recommended

🧥
Light rain jacket
Some rainy days expected (12 days)
Umbrella
Be prepared for occasional showers

Traveling to Canada in August?

Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.

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Data based on 1994–2024 averages · Last updated: 2024-12-31