Koh Samui Weather by Month | 2025 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 2025.


Koh Samui weather by month 2025 infographic showing dry, hot, green, and rainy seasons with monthly temperatures.

More in detail


Detailed Koh Samui monthly weather guide 2025 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.

Discover the top 10 things to do in Koh Samui
By Bjorn isak Benediktsson June 18, 2025
Discover the top 10 things to do in Koh Samui, from temples and waterfalls to nightlife and island hopping. Updated for 2025.
Fisherman’s Village at Bophut Beach, Koh Samui
By Bjorn isak Benediktsson June 17, 2025
Discover the best beaches in Koh Samui for swimming, sunbathing, and relaxing. Updated 2025 beach guide with local tips.