Head to head

Koh Samui or Tokyo?

Level across the year — both score 57.

Koh Samui and Tokyo run neck and neck on the Atlas Ranger Score (57 vs 57), trading the monthly lead — Koh Samui is the better pick in 4 of 12 months (Jan–Apr), Tokyo in 7 (May–Jul and Sep–Dec). With timing a wash, the real split is the trip itself: Koh Samui for beaches, plus easy family travel, Tokyo for city life and food, plus history and temples.

Month by month

When to go

Pick a month. The line shows each place's score across the year; the figures below are that month's averages.

Koh Samui Tokyo

In October, Tokyo is the better bet — 50 vs 45.

Score

High / low

31° / 24°

22° / 16°

Rain

295 mm

235 mm

Sunshine

8.9 h

5 h

Koh Samui: Wet season starts — rainfall more than doubles, beach days unreliable

Tokyo: Autumn warmth — typhoons fading, koyo not yet started

At a glance

Side by side

Koh Samui Tokyo

Timing & weather

Year-round score57/10057/100

Best monthFebruary (73)April (59)

Months it leadsJan–AprMay–Jul and Sep–Dec

Cheapest monthsOct–NovJan–Feb and Jun

Driest monthFebruary (64mm)January (55mm)

Wettest monthNovember (445mm)October (235mm)

Hottest monthMay (33°C)August (31°C)

Best for

BeachesKoh Samui is the stronger beach tripStronger—

Culture & festivalsTokyo is the stronger pick for history, temples and festivals—Stronger

Off-peak monthsKoh Samui has more shoulder and low-season months (9 vs 7), when rates and crowds easeStronger—

Practical

Main airportSamui International Airport (USM)Tokyo Haneda Airport (HND)

CurrencyTHB (Thai Baht)JPY (Japanese Yen)

LanguageThaiJapanese

Time zoneICT (UTC+7)JST (UTC+9, no DST)

ClimateTropical monsoon (Köppen Am)Humid subtropical (Köppen Cfa)

Visa60-day visa exemption for most Western nationalities (extended Jul 2024)Visa-free 90-day entry for ~70 nationalities (US, UK, EU, Australia, etc.)

SafetyLow risk — standard tropical precautions, scooter accidents are the main injury sourceVery low risk — one of the safest major cities globally

Named storms nearby nowNASA EONET, checked hourly. Not a forecast.None tracked within 1,000kmNone tracked within 1,000km

Your trip

Which should you pick?

PickKoh Samui

Pick Koh Samui if you want beaches, plus easy family travel — it leads in Jan–Apr and peaks in February (73).

Koh Samui full guide

PickTokyo

Pick Tokyo if you want city life and food, plus history and temples — it leads in May–Jul and Sep–Dec and peaks in April (59).

Tokyo full guide

Plan your trip

Hotels, flights and more

Switch between the two. Hotel prices are for a week in each destination's best month.

Book Koh Samui

$$ · First-time visitors, dining variety, the busiest beach

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Questions

Good to know

Is Koh Samui or Tokyo better to visit?

They're evenly matched — both score 57 on the Atlas Ranger Score. The right pick comes down to the month you're travelling and what you want; compare any month with the tool above.

Which has better weather, Koh Samui or Tokyo?

Koh Samui averages a higher weather score (53 vs 52). Weather is the biggest input to the score, but both have strong months and weak months; the month-by-month chart shows exactly when.

When is it cheapest to visit Koh Samui or Tokyo?

Koh Samui is cheapest in Oct–Nov; Tokyo is cheapest in Jan–Feb and Jun. Those are the low and shoulder months, when hotel rates and crowds ease — usually because the weather is less reliable, so check the month-by-month scores above before you book.

Can I visit both Koh Samui and Tokyo 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.