In August, Plymouth typically sees daytime highs of 19.3°C and overnight lows around 12.2°C. Compared to the annual average high of 13.4°C, August runs +5.9°C.
August in Plymouth averages a daytime high of 19.3°C and an overnight low of 12.2°C.
August runs +5.9°C compared to Plymouth's annual average high of 13.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 19.3°C and cooler evenings around 12.2°C.