Best Time to Visit Koh Samui (2026)
Quick Answer
The best time to visit Koh Samui is Dec, Apr, Jul. Koh Samui is best planned around Dec - Apr, Jul - Sep. Shoulder months usually give better prices and fewer crowds.
Best Months
Dec - Apr, Jul - Sep
Daily Budget
THB 1800-6500/day
Currency
THB
Language
Thai, English
Koh Samui Weather by Month
Jan
Best overall conditions
A strong month for Koh Samui
Feb
Best overall conditions
A strong month for Koh Samui
Mar
Best overall conditions
A strong month for Koh Samui
Apr
Good shoulder-season conditions
Works if your dates are fixed
May
Usable but less ideal
Works if your dates are fixed
Jun
Usable but less ideal
Works if your dates are fixed
Jul
Usable but less ideal
Works if your dates are fixed
Aug
Usable but less ideal
Works if your dates are fixed
Sep
Good shoulder-season conditions
Works if your dates are fixed
Oct
Usable but less ideal
Works if your dates are fixed
Nov
Best overall conditions
A strong month for Koh Samui
Dec
Best overall conditions
A strong month for Koh Samui
Frequently Asked Questions
Is Koh Samui good for a honeymoon?
Koh Samui is an excellent honeymoon destination. The best time for couples is Dec - Apr, Jul - Sep when the weather is ideal. Expect to budget around THB 1800-6500/day per day for a comfortable stay.
Can I visit Koh Samui on a budget?
Yes, Koh Samui can be visited on a budget. Average daily costs are THB 1800-6500/day. Budget travellers can find affordable accommodation and food while still experiencing the best the city has to offer.
How many days should I spend in Koh Samui?
We recommend 3-5 days in Koh Samui to see the main attractions. A week gives you time to explore at a relaxed pace and discover hidden gems beyond the tourist trail.
Full Travel Guide
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