In March, Plymouth typically sees daytime highs of 9.9°C and overnight lows around 3.7°C. Compared to the annual average high of 13.4°C, March runs -3.5°C.
March in Plymouth averages a daytime high of 9.9°C and an overnight low of 3.7°C.
March runs -3.5°C compared to Plymouth's annual average high of 13.4°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 9.9°C and cooler evenings around 3.7°C.