In April, Hamamatsu typically sees daytime highs of 18.8°C and overnight lows around 10.0°C. Compared to the annual average high of 20.1°C, April runs -1.3°C.
April in Hamamatsu averages a daytime high of 18.8°C and an overnight low of 10.0°C.
April runs -1.3°C compared to Hamamatsu's annual average high of 20.1°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 18.8°C and cooler evenings around 10.0°C.