In June, Haikou typically sees daytime highs of 32.3°C and overnight lows around 25.3°C. Compared to the annual average high of 27.7°C, June runs +4.6°C.
June in Haikou averages a daytime high of 32.3°C and an overnight low of 25.3°C.
June runs +4.6°C compared to Haikou's annual average high of 27.7°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 32.3°C and cooler evenings around 25.3°C.