In April, Haimen typically sees daytime highs of 23.9°C and overnight lows around 18.6°C. Compared to the annual average high of 24.7°C, April runs -0.8°C.
April in Haimen averages a daytime high of 23.9°C and an overnight low of 18.6°C.
April runs -0.8°C compared to Haimen's annual average high of 24.7°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 23.9°C and cooler evenings around 18.6°C.