Weather in St. Catharines in June
St. Catharines, Canada averages a high of 23.1°C (73.6°F) and low of 16°C (60.8°F) in June, with 11 rain days and 12.1 hours of daily sunshine. Travel score: 80.2/100 (Excellent). The best time to visit St. Catharines is August.
High
23°C74°F
Low
16°C61°F
🌧️
11
rain days
☀️
12.1
hrs/day sunshine
💧
73%
humidity
80— Excellent
June in St. Catharines is warm and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in St. Catharines?
How much does it rain in St. Catharines in June?
St. Catharines receives an average of 89.8mm of rainfall across 11 rainy days in June. The annual total is 934.7mm.
What should I pack for St. Catharines in June?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 23°C
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to Canada in June?
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