July, August and December-February is the best time to visit Surat Thani, Thailand. Hotels are the most expensive during these months along with the airfare. March through May is the spring season in Surat Thani, and the average high temperature ranges between 97.2°F (36.2°C) and 92.8°F (33.8°C). 4 to 10 days of rain every month is common in this season, and it is also the slowest month in tourism.
So, if you are looking for good deals while travelling to Surat Thani, you can plan your trip during spring. June, July and August are the summer months, and the high temperatures are quite warm and uncomfortable for tourists during the day time. There’s a moderate precipitation rate of around 4-10 days per months. September-November is the fall season in Surat Thani.
Daily highest temperature ranges between 92.1°F (33.4°C) and 85.9°F (29.9°C), which feels nice even with a good amount of humidity. December-February, the winter months in Surat Thani are again quite crowded for the excellent weather conditions. The highest temperatures are between 92.8°F (33.8°C) and 86°F (30°C). This is a busy tourist season in Surat Thani, and you should make the bookings ahead of time to experience the best at a manageable cost.