Ang Thong National Marine Park
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When to go
Where the weather works in August, and where to skip.
Mostly dry.
Among the wettest months. Some mountain roads get slippery.
Rainy. Rice fields at their greenest.
Rainy season.
Monsoon. Heavy rain on the Trat islands.
Monsoon.
It is a mixed month. Gulf coast (Samui, Pha Ngan, Tao, Songkhla) is your best bet: Mostly dry.
General climate patterns from the Thai Meteorological Department (tmd.go.th). Weather varies year to year; treat this as a guide, not a forecast.