August in Vancouver averages a daily high of 27.9°C with nights around 14.3°C. Expect roughly 3.3 wet days totalling 11.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Vancouver is July–September.
Based on VANCOUVER PEARSON AIRPORT, WA US (2km), 1995–2024. 28 years of August data.