Planning for the weather is a good way to make your trip to Taphan Hin relaxing and enjoyable, especially when you're splurging. The hottest months are usually April and March with an average temp of 88°F, while the coldest months are December and January with an average of 79°F. The rainiest months in Taphan Hin are September, August, July, and October, with each month seeing an average of 10 inches of rainfall.