In April, Ishioka typically sees daytime highs of 17.5°C and overnight lows around 7.9°C. Compared to the annual average high of 18.7°C, April runs -1.2°C.
April in Ishioka averages a daytime high of 17.5°C and an overnight low of 7.9°C.
April runs -1.2°C compared to Ishioka's annual average high of 18.7°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 17.5°C and cooler evenings around 7.9°C.