In October, Haimen typically sees daytime highs of 26.8°C and overnight lows around 21.2°C. Compared to the annual average high of 24.7°C, October runs +2.1°C.
October in Haimen averages a daytime high of 26.8°C and an overnight low of 21.2°C.
October runs +2.1°C compared to Haimen's annual average high of 24.7°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 26.8°C and cooler evenings around 21.2°C.