In August, Coquitlam typically sees daytime highs of 20.8°C and overnight lows around 10.7°C. Compared to the annual average high of 11.6°C, August runs +9.2°C.
August in Coquitlam averages a daytime high of 20.8°C and an overnight low of 10.7°C.
August runs +9.2°C compared to Coquitlam's annual average high of 11.6°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 20.8°C and cooler evenings around 10.7°C.