When to go
Sedang · BKK · HKT
Puncak risiko: September–November · Worst month: Okt
The two coasts have opposite bad seasons: Phuket and the Andaman side are wettest from May to October, the Gulf and Samui from November into December. Storms usually cross Vietnam first and arrive overland already weakened, so what closes a runway here is rain and thunderstorms rather than wind.
Monthly levels are an editorial summary of past seasons, not a forecast. For a specific flight, check the travel window against what is in force today.
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