In April, Sayama typically sees daytime highs of 18.4°C and overnight lows around 8.1°C. Compared to the annual average high of 19.4°C, April runs -1.0°C.
April in Sayama averages a daytime high of 18.4°C and an overnight low of 8.1°C.
April runs -1.0°C compared to Sayama's annual average high of 19.4°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 18.4°C and cooler evenings around 8.1°C.