Best time window
October to March
Best time to go
Best time to visit Koh Samui
Western Thailand, Thailand
Quick answer
October to March
Plan the best time to visit Koh Samui in Western Thailand, Thailand with season notes, weather clues, and practical booking guidance from PlanMyOffbeat.
Shortlist
A compact starting point, kept useful for real travelers.
Peak season
Dec, Jan, Feb | crowds: High | prices: High
Best value months
Apr, Oct, Nov | crowds: Medium | prices: Medium
Off-season
May, Jun, Sep | crowds: Low | prices: Low
Jan
Typical listed range: 26 C to 28 C.
Feb
Typical listed range: 27 C to 28 C.
Mar
Typical listed range: 27 C to 29 C.
Apr
Typical listed range: 28 C to 30 C.
Plan smart
Quick notes to check before you lock anything in.
Season check
October to March
Before booking
Confirm current weather, local roads, and stay availability for Koh Samui in Western Thailand, Thailand close to your travel dates.
Keep planning
More answers for Koh Samui.
