August in Coquitlam averages a daily high of 23.5°C with nights around 13.8°C. Expect roughly 6.1 wet days totalling 58.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Coquitlam is July–August.
Based on PORT MOODY GLENAYRE, BC CA (7.3km), 1995–2024. 18 years of August data.