Koh Samui Weather by Month | 2026 Guide

Bjorn isak Benediktsson • June 18, 2025

Planning a trip to Koh Samui?

Understanding the island's tropical weather helps you pick the perfect time for your holiday. Here’s a full month-by-month breakdown for 2026.


Koh Samui weather by month 2026 infographic showing dry, hot, green, and rainy seasons with monthly temperatures.

More in detail


Detailed Koh Samui monthly weather guide 2026 with seasonal notes and travel tips for each month.

Make sure you are prepared

Discover Everything Koh Samui Has to Offer


Koh Samui is far more than just beautiful beaches, it’s a complete island experience. From world-class restaurants and local street food to exciting tours, vibrant nightlife, peaceful retreats, and unique cultural attractions, Samui has something for every traveler.

Whether you’re here to relax, explore, invest, or even relocate, you’ll find trusted businesses, hand-picked experiences, and insider tips right here on My Visit Thailand.

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