In August, Port Saint Lucie typically sees daytime highs of 32.2°C and overnight lows around 22.9°C. Compared to the annual average high of 27.8°C, August runs +4.5°C.
August in Port Saint Lucie averages a daytime high of 32.2°C and an overnight low of 22.9°C.
August runs +4.5°C compared to Port Saint Lucie's annual average high of 27.8°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 32.2°C and cooler evenings around 22.9°C.