Thailand Weather

Thailand has three distinct seasons: hot, rainy, really hot. Thailand is a lengthy country with many geographic variations from the mountains to the tropical islands. Koh Samui weather is a little different than the rest of Thailand.

Koh Samui Weather

Rainy Season

Koh Samui is a tropical island. Inland parts of the island are a dense tropical forest, expect some rain at anytime in any month on Koh Samui. The time of heavier and more consistent rain is October through to mid December.

Dry Season

When the rains stop and the plants grow wild and beautiful is the Dry Season, or as the Thais call it, winter. Winter on Koh Samui is usually 30C / 85F and sunny. This season is typically mid December through March.

Hot Season

When the ground has dried from a lack of rain and sand dusts the road, the Hot Season has started. The over-head tropical sun is brighter and hotter than usual. Many tropical fruits ripen during this season. This season starts in April and lasts until the cooling rain, which begins in September / October.

Weather Now?

See what is happening on Koh Samui right now. To check the weather on Koh Samui or read the forecast, click on Koh Samui for the details.

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