In March, Plymouth typically sees daytime highs of 3.2°C and overnight lows around -7.2°C. Compared to the annual average high of 12.2°C, March runs -8.9°C.
March in Plymouth averages a daytime high of 3.2°C and an overnight low of -7.2°C.
March runs -8.9°C compared to Plymouth's annual average high of 12.2°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 3.2°C and cooler evenings around -7.2°C.