Ayutthaya vs Koh Yao Yai
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Copyright of the Tourism Authority of Thailand (TAT)
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.
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.
Side by side
What feels different
Our editorial assessments · Select a factor to see how we scored each place.
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.
| Factor | Ayutthaya | Koh 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 |
| Destination | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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.