Weather in Ottawa South in August
Ottawa South, Canada averages a high of 24.8°C (76.6°F) and low of 16.1°C (61°F) in August, with 11 rain days and 11 hours of daily sunshine. Travel score: 82.4/100 (Excellent). The best time to visit Ottawa South is August.
High
25°C77°F
Low
16°C61°F
🌧️
11
rain days
☀️
11
hrs/day sunshine
💧
74%
humidity
82— Excellent
August in Ottawa South is warm and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Ottawa South?
How much does it rain in Ottawa South in August?
Ottawa South receives an average of 91.7mm of rainfall across 11 rainy days in August. The annual total is 996.4mm.
What should I pack for Ottawa South in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧴
Sunscreen SPF 30+
11 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 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