In April, Hyesan typically sees daytime highs of 10.7°C and overnight lows around -3.8°C. Compared to the annual average high of 9.3°C, April runs +1.3°C.
April in Hyesan averages a daytime high of 10.7°C and an overnight low of -3.8°C.
April runs +1.3°C compared to Hyesan's annual average high of 9.3°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 10.7°C and cooler evenings around -3.8°C.