In April, Hekinan typically sees daytime highs of 18.2°C and overnight lows around 9.5°C. Compared to the annual average high of 19.7°C, April runs -1.5°C.
April in Hekinan averages a daytime high of 18.2°C and an overnight low of 9.5°C.
April runs -1.5°C compared to Hekinan's annual average high of 19.7°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 18.2°C and cooler evenings around 9.5°C.