August weather forecast in Port Coquitlam

August in Port Coquitlam is the warmest month of the year. In August, the weather in Port Coquitlam is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Port Coquitlam has 12 sunny, 10 rainy, and 9 partly cloudy days in August. The rains are usually heavy.