How hot is it in Hainan Province in summer?

The summer temperature in Hainan is generally around 3 to 39 degrees.

In summer, the coastal areas of Hainan are much hotter than those in central Hainan. The evaporation of water in seawater areas causes high ambient humidity. In Hainan, ultraviolet rays are very strong in summer, mainly between 1 a.m. and 4 p.m. between.