In July, Plymouth typically sees daytime highs of 19.2°C and overnight lows around 12.0°C. Compared to the annual average high of 13.4°C, July runs +5.8°C.
July in Plymouth averages a daytime high of 19.2°C and an overnight low of 12.0°C.
July runs +5.8°C compared to Plymouth's annual average high of 13.4°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 19.2°C and cooler evenings around 12.0°C.