In April, Haeju typically sees daytime highs of 15.6°C and overnight lows around 4.5°C. Compared to the annual average high of 15.2°C, April runs +0.5°C.
April in Haeju averages a daytime high of 15.6°C and an overnight low of 4.5°C.
April runs +0.5°C compared to Haeju's annual average high of 15.2°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 15.6°C and cooler evenings around 4.5°C.