In April, Haikou typically sees daytime highs of 24.0°C and overnight lows around 10.7°C. Compared to the annual average high of 20.9°C, April runs +3.1°C.
April in Haikou averages a daytime high of 24.0°C and an overnight low of 10.7°C.
April runs +3.1°C compared to Haikou's annual average high of 20.9°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 24.0°C and cooler evenings around 10.7°C.