For the most part, Koh Samui weather is hot and sunny – just what you want for a perfect beach holiday. There are exceptions, though – notably when it’s HOT and sunny, and rainy season. Here are our best answers to the question:

“I’m coming in [month]. What will the weather be?”

Samui weather, month by month. (We both caution and cover our rears with this caveat: there’s no guarantee and this is a crazy world).

  • January: hot and sunny
  • February: hot and sunny
  • March: hot and sunny

  • April: REALLY HOT and sunny (cool off with Songkran festivities)
  • May: hot and sunny
  • June: hot and sunny
  • July: hot and sunny
  • August: hot and sunny
  • September: hot and sunny
  • October: hot and sunny, possible early arrival of rainy season late in the month

  • November: rainy season typically arrives
  • December: tail-end of rainy season, not-quite-as-hot, hopefully sunny

Of course there are shoulder seasons, freak acts c/o weather gods and, often, a delightfully cooling afternoon downpour. (Hey, it’s the tropics!) When it rains, it pours – but it’s usually gone as quickly as it comes.

There’s plenty of seasonal entertainment available both to beat the heat and to enjoy the rain – and a busy Samui events calendar. If coming from a cold climate, learn what to wear in Thailand to stay cool more easily. Call us biased, but with fresh Samui coconuts on offer every day of the year… can there really be a bad time to come?

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