Haikou — weather by month, water temperature

The average maximum daily temperature — 33°C in June. Average maximum night temperature — 27.2°C in June. The average minimum daily temperature — 21°C in January. The average minimum night temperature — 18.3°C in January.

Average maximum temperature of the water — 29.6°C fixed in July. The average minimum temperature of the water — 19.6°C fixed in February.

Maximum precipitation — 183.3 mm It was recorded in August. Minimum precipitation — 26 mm It was recorded in February.