In April, Isesaki typically sees daytime highs of 18.1°C and overnight lows around 7.1°C. Compared to the annual average high of 18.8°C, April runs -0.7°C.
April in Isesaki averages a daytime high of 18.1°C and an overnight low of 7.1°C.
April runs -0.7°C compared to Isesaki's annual average high of 18.8°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 7.1°C.