In October, Haeju typically sees daytime highs of 18.2°C and overnight lows around 6.8°C. Compared to the annual average high of 15.2°C, October runs +3.1°C.
October in Haeju averages a daytime high of 18.2°C and an overnight low of 6.8°C.
October runs +3.1°C compared to Haeju's annual average high of 15.2°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 18.2°C and cooler evenings around 6.8°C.