The numbers give Ibiza a slim edge — 78 to 74 on the Atlas Ranger Score — but it's a seasonal split, not a blowout. Ibiza leads 7 of 12 months, Koh Samui the rest (Jan–Mar). Peaks land October (90) for Ibiza, January (88) for Koh Samui.
Pick a month — the Atlas Ranger Score for each recomputes live, with the winner for that month.
🇪🇸 IbizaBetter in Jul
76
🇹🇭 Koh Samui
73
In July, Ibiza wins — 76 vs 73 on the Atlas Ranger Score.
The whole year at a glance
Each line is a destination's Atlas Ranger Score across all twelve months — higher is a better time to visit. Where the lines cross is where the better choice flips.
Ibiza Koh Samui
Ibiza leads 7 months (May, Jun, Jul, Aug, Sep, Oct, Nov) · Koh Samui leads 3 months (Jan, Feb, Mar) · 2 too close to call
Who wins for what
Best weather year-round🇪🇸 IbizaIbiza averages a higher weather score (76 vs 70)
Beaches🇪🇸 IbizaIbiza has the more reliable beach weather
Value & fewer crowds🇹🇭 Koh SamuiKoh Samui has more shoulder/low-season months
Which should you pick?
🇪🇸 Ibiza
Pick Ibiza if you want beaches and warm water with nightlife and a buzzy scene — it leads in May–Nov and peaks in October (90).
SafetyLow risk — standard precautions in nightlife districtsLow risk — standard tropical precautions, scooter accidents are the main injury source
Frequently asked questions
Is Ibiza or Koh Samui better to visit?
Ibiza edges it overall — 78 vs 74 on the Atlas Ranger Score, our 0–100 measure of weather, crowds, value, and timing across the year. The gap is modest and the lead flips by month — use the tool above to compare any specific month.
Which has better weather, Ibiza or Koh Samui?
Ibiza averages a higher weather score (76 vs 70). Weather is the biggest input to the score, but both have strong months and weak months; the month-by-month chart shows exactly when.
Which is cheaper, Ibiza or Koh Samui?
Koh Samui has more shoulder- and low-season months, which is where the best value and the fewest crowds are. Travelling outside each destination's peak months is the single biggest way to cut costs.
Can I visit both Ibiza and Koh Samui in one trip?
Often yes — many travellers pair them. The smart move is to time each leg to its own best months. Check each destination's full guide (linked below) for the month-by-month detail, then sequence your trip so each stop lands in its strong window.
Scores come from the Atlas Ranger Score — our transparent 0–100 measure of how good a destination is to visit each month.