Weather in Oshawa in August
Oshawa, Canada averages a high of 24.6°C (76.3°F) and low of 17.9°C (64.2°F) in August, with 9 rain days and 11.4 hours of daily sunshine. Travel score: 83.9/100 (Excellent). The best time to visit Oshawa is August.
High
25°C76°F
Low
18°C64°F
🌧️
9
rain days
☀️
11.4
hrs/day sunshine
💧
73%
humidity
84— Excellent
August in Oshawa is warm and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Oshawa?
How much does it rain in Oshawa in August?
Oshawa receives an average of 71.4mm of rainfall across 9 rainy days in August. The annual total is 872.6mm.
What should I pack for Oshawa 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 (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