Weather in Saint John in August
Saint John, Canada averages a high of 21.1°C (70°F) and low of 15°C (59°F) in August, with 9 rain days and 9.9 hours of daily sunshine. Travel score: 76.7/100 (Good). The best time to visit Saint John is August.
High
21°C70°F
Low
15°C59°F
🌧️
9
rain days
☀️
9.9
hrs/day sunshine
💧
83%
humidity
77— Good
August in Saint John is mild and occasionally wet — good for most activities.
What are the average temperatures in Saint John?
How much does it rain in Saint John in August?
Saint John receives an average of 90.4mm of rainfall across 9 rainy days in August. The annual total is 1340.1mm.
What should I pack for Saint John in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (9 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