August in Windsor averages a daily high of 28.1°C with nights around 18°C. Expect roughly 9.6 wet days totalling 97.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Windsor is May–June.
Based on WINDSOR RIVERSIDE, ON CA (7.8km), 1995–2024. 29 years of August data.