In June, Kumagaya typically sees daytime highs of 25.6°C and overnight lows around 17.6°C. Compared to the annual average high of 19.5°C, June runs +6.1°C.
June in Kumagaya averages a daytime high of 25.6°C and an overnight low of 17.6°C.
June runs +6.1°C compared to Kumagaya's annual average high of 19.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 25.6°C and cooler evenings around 17.6°C.