The weather in Hainan in August is very hot. The average temperatures are between 24°C and 32°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of August in Hainan.
Hainan should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Hainan in August 2025.
If you’re planning to visit Hainan in the near future, we highly recommend that you review the 14 day weather forecast for Hainan before you arrive.
Temperatures
32° / 24°
Rainy Days
17
Snowy Days
0
Dry Days
14
Rainfall
334
mm
Sun Hours
10.9
Hrs
