In December, Haimen typically sees daytime highs of 19.4°C and overnight lows around 13.3°C. Compared to the annual average high of 24.7°C, December runs -5.3°C.
December in Haimen averages a daytime high of 19.4°C and an overnight low of 13.3°C.
December runs -5.3°C compared to Haimen's annual average high of 24.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 19.4°C and cooler evenings around 13.3°C.