August in Kitchener averages a daily high of 25.6°C with nights around 14.1°C. Expect roughly 10.1 wet days totalling 75.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Kitchener is May–September.
Based on ROSEVILLE, ON CA (9.1km), 1995–2024. 25 years of August data.