Ayutthaya vs Koh Yao Yai

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The brick prangs and temple ruins of Wat Chaiwatthanaram in Ayutthaya Copyright of the Tourism Authority of Thailand (TAT)
Ayutthaya city Explore Ayutthaya 
Photo coming soon
Koh Yao Yai island Explore Koh Yao Yai 
Quick verdict
Why choose Ayutthaya

More cultural experiences

The UNESCO-listed former capital has an exceptional concentration of temples, ruins and Siamese history. Another assessed advantage: more scope for a modest-budget stay.

Why choose Koh Yao Yai

More island-hopping options

Arranged trips reach nearby islands and Phang Nga Bay, with weather, group size and the chosen base affecting convenience. Another assessed advantage: a stronger beach offering.

Ayutthaya and Koh Yao Yai in Thailand Dots show representative locations, rather than destination boundaries. Koh Yao Yai Ayutthaya

Side by side

What feels different

Our editorial assessments · Select a factor to see how we scored each place.

Ayutthaya Factor Koh Yao Yai

Why we rate Ayutthaya 0/10

Ayutthaya is inland, so there are no sea beaches.

Why we rate Koh Yao Yai 7/10

Several appealing beach bases and Laem Had provide strong coastal appeal, with substantial tidal and location differences.

What we assess

Beach appeal, convenient access and variety during a beach-focused stay, within the destination itself.

Why we rate Ayutthaya 4/10

Rivers and flat lowland surroundings give Ayutthaya a pleasant setting, but dramatic natural landscapes are not a main reason to visit.

Why we rate Koh Yao Yai 8/10

Green island landscapes, coastal views and the Laem Had sandbar provide a strong natural setting.

What we assess

The visual impact of natural surroundings and how central those landscapes are to a typical stay.

Why we rate Ayutthaya 10/10

The UNESCO-listed former capital has an exceptional concentration of temples, ruins and Siamese history.

Why we rate Koh Yao Yai 5/10

Village and fishing-community outings offer worthwhile local context, with less depth of major heritage sights than cultural cities.

What we assess

The variety, depth and practical access to historic places, temples, architecture, traditions and cultural experiences during a typical stay.

Why we rate Ayutthaya 7/10

Central Thai dishes, river prawns, markets and local sweets give visitors distinctive food to seek out.

Why we rate Koh Yao Yai 6/10

Village food and several resort restaurants provide useful choice, though dining is dispersed rather than concentrated in a large town.

What we assess

Food quality, variety, distinctive local cooking and how readily visitors can find good places to eat, regardless of price.

Why we rate Ayutthaya 2/10

Evenings are quiet, with a small choice of bars and restaurants rather than a full nightlife scene.

Why we rate Koh Yao Yai 2/10

Resort bars and quiet coastal evenings are available, with few late-night options beyond the main resort venues.

What we assess

The choice, variety and liveliness of evening venues, their opening hours and how easily you can enjoy a typical night out.

Why we rate Ayutthaya 6/10

The town is generally relaxed, while the historic park and main sights become busy with day visitors.

Why we rate Koh Yao Yai 9/10

Quiet coastal stays and an unhurried village setting are central to the island experience, with local variation around piers and resorts.

What we assess

How easily you can enjoy a peaceful stay, considering traffic, nightlife noise, crowds and practical quieter bases.

Why we rate Ayutthaya 0/10

Ayutthaya is inland and has no sea-island excursions.

Why we rate Koh Yao Yai 8/10

Arranged trips reach nearby islands and Phang Nga Bay, with weather, group size and the chosen base affecting convenience.

What we assess

The variety of worthwhile sea-island trips, convenient departures, journey times and flexibility under normal operating conditions.

Why we rate Ayutthaya 7/10

Bicycles, tuk-tuks and organised tours make the historic park manageable, though sites are spread across the city.

Why we rate Koh Yao Yai 6/10

A chosen resort base works with arranged transfers and taxis; exploring the spread-out island requires planning and extra rides.

What we assess

Freedom to explore without renting a scooter, using walking, public transport, taxis, tuk-tuks, ride-hailing or boats; transport price is assessed separately.

Why we rate Ayutthaya 8/10

Affordable guesthouses, local meals and low-cost temple visits make Ayutthaya easy to explore on a modest budget.

Why we rate Koh Yao Yai 6/10

Simple bungalows and village food are available, but the smaller budget selection and boat or road transfers add costs.

What we assess

How easily you can enjoy a typical stay on a modest budget, including simple accommodation, food, realistic transport and characteristic activities.

Scores out of 10 · Higher means more of that characteristic About these scores

How to read the scale
Scores run from 0 to 10 and describe how strongly a destination offers each characteristic.

Higher does not always mean better
A higher nightlife score means a livelier scene. A higher quietness score means a calmer atmosphere. The right balance depends on your trip.

Close scores mean similar experiences
Small differences should not decide your trip on their own.

Ayutthaya

Choose Ayutthaya if...

  • You want to explore the temples and ruins of Thailand’s former capital.
  • You like days built around history, riverside sights and local neighbourhoods.
  • You want to try river prawns, local noodles and roti sai mai alongside the temple visits.

The trade-off

The main ruins are spread across the city, so plan a cycling route, tuk-tuk or tour rather than expecting to walk everywhere. Evenings offer a much smaller scene than a major city.

Koh Yao Yai

Choose Koh Yao Yai if...

  • Laem Had sandbar and coastal scenery
  • Local village and fishing-community context
  • Resort stays and arranged water-based outings

The trade-off

The island is dispersed, beaches are tide-sensitive, and a resort transfer does not provide effortless transport everywhere else.

Plan your trip

When to go

See how temperature, rainfall and travel conditions change through the year. Select a month to focus your comparison.

Selected month conditions for Ayutthaya and Koh Yao Yai
FactorAyutthayaKoh Yao Yai
Average daytime high 33°C 33°C
Monthly Rainfall 24 mm 50 mm
Rainy days 2.6 5.6
Crowds High High
Stay prices High High
Sea conditions Not applicable Calm
Average daytime high 34°C 34°C
Monthly Rainfall 21 mm 24 mm
Rainy days 2.5 3.4
Crowds High High
Stay prices High High
Sea conditions Not applicable Calm
Average daytime high 35°C 34°C
Monthly Rainfall 51 mm 81 mm
Rainy days 4.1 7.5
Crowds Moderate High
Stay prices Typical High
Sea conditions Not applicable Calm
Average daytime high 36°C 34°C
Monthly Rainfall 93 mm 135 mm
Rainy days 6.5 11.7
Crowds Moderate Moderate
Stay prices Typical Typical
Sea conditions Not applicable Variable
Average daytime high 35°C 33°C
Monthly Rainfall 217 mm 237 mm
Rainy days 15 18.9
Crowds Low Low
Stay prices Typical Low
Sea conditions Not applicable Variable
Average daytime high 34°C 33°C
Monthly Rainfall 199 mm 249 mm
Rainy days 16.4 18.6
Crowds Low Low
Stay prices Typical Low
Sea conditions Not applicable Rough
Average daytime high 34°C 32°C
Monthly Rainfall 190 mm 240 mm
Rainy days 17.2 19.1
Crowds Low Low
Stay prices Typical Low
Sea conditions Not applicable Rough
Average daytime high 33°C 32°C
Monthly Rainfall 227 mm 309 mm
Rainy days 19.1 19.5
Crowds Low Low
Stay prices Typical Low
Sea conditions Not applicable Rough
Average daytime high 33°C 32°C
Monthly Rainfall 336 mm 350 mm
Rainy days 21.4 21.7
Crowds Low Low
Stay prices Typical Low
Sea conditions Not applicable Rough
Average daytime high 33°C 32°C
Monthly Rainfall 289 mm 336 mm
Rainy days 17 22.7
Crowds Moderate Low
Stay prices Typical Low
Sea conditions Not applicable Rough
Average daytime high 33°C 32°C
Monthly Rainfall 45 mm 178 mm
Rainy days 5 15.9
Crowds High Moderate
Stay prices High Typical
Sea conditions Not applicable Variable
Average daytime high 32°C 32°C
Monthly Rainfall 12 mm 82 mm
Rainy days 1.5 10.3
Crowds High High
Stay prices High High
Sea conditions Not applicable Calm
Monthly conditions for Ayutthaya and Koh Yao Yai
DestinationJanFebMarAprMayJunJulAugSepOctNovDec
Average daytime high
Ayutthaya
33°C
34°C
35°C
36°C
35°C
34°C
34°C
33°C
33°C
33°C
33°C
32°C
Koh Yao Yai
33°C
34°C
34°C
34°C
33°C
33°C
32°C
32°C
32°C
32°C
32°C
32°C
Monthly Rainfall
Ayutthaya
24 mm
21 mm
51 mm
93 mm
217 mm
199 mm
190 mm
227 mm
336 mm
289 mm
45 mm
12 mm
Koh Yao Yai
50 mm
24 mm
81 mm
135 mm
237 mm
249 mm
240 mm
309 mm
350 mm
336 mm
178 mm
82 mm
Rainy days
Ayutthaya 2.6 2.5 4.1 6.5 15 16.4 17.2 19.1 21.4 17 5 1.5
Koh Yao Yai 5.6 3.4 7.5 11.7 18.9 18.6 19.1 19.5 21.7 22.7 15.9 10.3
Crowds
Ayutthaya High High Moderate Moderate Low Low Low Low Low Moderate High High
Koh Yao Yai High High High Moderate Low Low Low Low Low Low Moderate High
Stay prices
Ayutthaya High High Typical Typical Typical Typical Typical Typical Typical Typical High High
Koh Yao Yai High High High Typical Low Low Low Low Low Low Typical High
Sea conditions
Ayutthaya Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable
Koh Yao Yai Calm Calm Calm Variable Variable Rough Rough Rough Rough Rough Variable Calm

Temperatures are historical average daytime highs, not the highest temperatures you might experience. Rainfall and rainy days are monthly averages, not a forecast. A rainy day need not mean rain all day.

Stay prices are relative to each destination’s usual rates. Holidays can bring extra crowds and higher prices. Sea conditions vary by beach and day; check local conditions before boat trips.

Ayutthaya: Thai Meteorological Department — BANGKOK METROPOLIS, 1991–2020.

Koh Yao Yai: Thai Meteorological Department - PHUKET (48564), 1991-2020.