In June, Muroran typically sees daytime highs of 18.3°C and overnight lows around 11.0°C. Compared to the annual average high of 11.4°C, June runs +6.9°C.
June in Muroran averages a daytime high of 18.3°C and an overnight low of 11.0°C.
June runs +6.9°C compared to Muroran's annual average high of 11.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.3°C and cooler evenings around 11.0°C.