In March, Plymouth typically sees daytime highs of 28.4°C and overnight lows around 22.1°C. Compared to the annual average high of 29.3°C, March runs -0.8°C.
March in Plymouth averages a daytime high of 28.4°C and an overnight low of 22.1°C.
March runs -0.8°C compared to Plymouth's annual average high of 29.3°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 28.4°C and cooler evenings around 22.1°C.