In July, Plymouth typically sees daytime highs of 28.1°C and overnight lows around 15.8°C. Compared to the annual average high of 12.2°C, July runs +15.9°C.
July in Plymouth averages a daytime high of 28.1°C and an overnight low of 15.8°C.
July runs +15.9°C compared to Plymouth's annual average high of 12.2°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 28.1°C and cooler evenings around 15.8°C.