In April, Muroran typically sees daytime highs of 9.3°C and overnight lows around 1.2°C. Compared to the annual average high of 11.4°C, April runs -2.2°C.
April in Muroran averages a daytime high of 9.3°C and an overnight low of 1.2°C.
April runs -2.2°C compared to Muroran's annual average high of 11.4°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 9.3°C and cooler evenings around 1.2°C.