Koh Samui vs Ubon Ratchathani
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A stronger beach offering
A broad choice of beaches reachable by road lets you pick lively resort strips or quieter sands. Different coasts and bays suit different beach days. Another assessed advantage: more island-hopping options.
More scope for a modest-budget stay
Simple rooms and local meals suit modest budgets, with private transport for provincial sightseeing the main extra expense. Another assessed advantage: more cultural experiences.
Side by side
What feels different
Our editorial assessments · Select a factor to see how we scored each place.
Why we rate Koh Samui 9/10
A broad choice of beaches reachable by road lets you pick lively resort strips or quieter sands. Different coasts and bays suit different beach days.
Why we rate Ubon Ratchathani 0/10
This inland city has no sea-beach offering; riverfront areas are a different experience.
What we assess
Beach appeal, convenient access and variety during a beach-focused stay, within the destination itself.
Why we rate Koh Samui 8/10
Palm-lined coasts, a green interior and waterfalls give you scenery beyond the beach. Viewpoints and inland outings add variety.
Why we rate Ubon Ratchathani 4/10
Riverfront and temple settings add interest, but the dramatic Mekong landscapes require longer provincial journeys.
What we assess
The visual impact of natural surroundings and how central those landscapes are to a typical stay.
Why we rate Koh Samui 5/10
Temples and the old shophouses of Fisherman’s Village add cultural interest. The island offers fewer extensive historic quarters than Thailand’s cultural cities.
Why we rate Ubon Ratchathani 8/10
City temples and candle-making traditions provide strong Isaan cultural interest, with the festival adding a seasonal highlight.
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 Koh Samui 8/10
Southern Thai food, seafood, markets and international restaurants give you a varied dining scene. Good meals are available well beyond luxury resorts.
Why we rate Ubon Ratchathani 8/10
Isaan, Vietnamese-influenced and Chinese-Thai food gives independent city dining strong variety and character.
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 Koh Samui 8/10
Chaweng’s lively venues, beach clubs and cocktail spots offer a substantial evening scene. Other bases suit more relaxed nights.
Why we rate Ubon Ratchathani 6/10
Local pubs, clubs and riverside bars provide worthwhile evening choice beyond food markets.
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 Koh Samui 6/10
Quieter coasts and relaxed beach bases are available, but traffic and lively resort strips mean choosing an area carefully.
Why we rate Ubon Ratchathani 5/10
Quieter hotel areas are available, but the normal stay is in a working regional city with busy roads and evening venues.
What we assess
How easily you can enjoy a peaceful stay, considering traffic, nightlife noise, crowds and practical quieter bases.
Why we rate Koh Samui 8/10
Ang Thong excursions and connections to nearby Gulf islands offer varied boat days and multi-island trips. Departure points and journey lengths differ.
Why we rate Ubon Ratchathani 0/10
Ubon is inland and has no practical sea-island excursions.
What we assess
The variety of worthwhile sea-island trips, convenient departures, journey times and flexibility under normal operating conditions.
Why we rate Koh Samui 7/10
Taxis, arranged transfers and tours make a scooter optional, especially from a well-chosen base. Cross-island outings usually need a ride and some advance arrangement.
Why we rate Ubon Ratchathani 7/10
Airport, rail and local rides make a city stay workable without riding; dispersed sights and distant outings need transport.
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 Koh Samui 6/10
Local meals and simple stays keep a modest budget possible. Ground transport and boat outings can make the full holiday costlier than the room price suggests.
Why we rate Ubon Ratchathani 8/10
Simple rooms and local meals suit modest budgets, with private transport for provincial sightseeing the main extra expense.
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.
Koh Samui
Choose Koh Samui if...
- You want a choice between lively beach areas and quieter island stays.
- You enjoy markets, seafood and varied restaurants alongside the beach.
- You want varied beach days and island exploring, with boat excursions such as Ang Thong as an option.
The trade-off
Exploring different beaches usually means arranging rides, which can add to your budget. Chaweng’s lively scene and the quieter coasts offer very different stays.
Ubon Ratchathani
Choose Ubon Ratchathani if...
- Wat Phrathat Nong Bua
- Thung Si Mueang and city cultural life
- Isaan food and seasonal Candle Festival traditions
The trade-off
City sights are dispersed, and the best-known provincial nature attractions are not close to every city hotel.
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 | Koh Samui | Ubon Ratchathani |
|---|---|---|
| Average daytime high | 29°C | 32°C |
| Monthly Rainfall | 127 mm | 3 mm |
| Rainy days | 11.1 | 0.6 |
| Crowds | High | Unknown |
| Stay prices | High | Unknown |
| Sea conditions | Variable | Not applicable |
| Average daytime high | 29°C | 34°C |
| Monthly Rainfall | 64 mm | 11 mm |
| Rainy days | 5.6 | 1.4 |
| Crowds | High | Unknown |
| Stay prices | High | Unknown |
| Sea conditions | Calm | Not applicable |
| Average daytime high | 30°C | 36°C |
| Monthly Rainfall | 116 mm | 29 mm |
| Rainy days | 5.9 | 3.7 |
| Crowds | High | Unknown |
| Stay prices | High | Unknown |
| Sea conditions | Calm | Not applicable |
| Average daytime high | 32°C | 37°C |
| Monthly Rainfall | 83 mm | 83 mm |
| Rainy days | 8.1 | 6.5 |
| Crowds | High | Unknown |
| Stay prices | High | Unknown |
| Sea conditions | Calm | Not applicable |
| Average daytime high | 33°C | 35°C |
| Monthly Rainfall | 132 mm | 223 mm |
| Rainy days | 14 | 14.8 |
| Crowds | Moderate | Unknown |
| Stay prices | Typical | Unknown |
| Sea conditions | Variable | Not applicable |
| Average daytime high | 33°C | 34°C |
| Monthly Rainfall | 134 mm | 237 mm |
| Rainy days | 13.1 | 16.7 |
| Crowds | Moderate | Unknown |
| Stay prices | Typical | Unknown |
| Sea conditions | Variable | Not applicable |
| Average daytime high | 32°C | 33°C |
| Monthly Rainfall | 117 mm | 294 mm |
| Rainy days | 14.3 | 19 |
| Crowds | High | Unknown |
| Stay prices | High | Unknown |
| Sea conditions | Variable | Not applicable |
| Average daytime high | 32°C | 32°C |
| Monthly Rainfall | 102 mm | 291 mm |
| Rainy days | 14.5 | 20.6 |
| Crowds | Moderate | Unknown |
| Stay prices | Typical | Unknown |
| Sea conditions | Variable | Not applicable |
| Average daytime high | 32°C | 32°C |
| Monthly Rainfall | 118 mm | 314 mm |
| Rainy days | 15 | 19.1 |
| Crowds | Low | Unknown |
| Stay prices | Low | Unknown |
| Sea conditions | Variable | Not applicable |
| Average daytime high | 31°C | 32°C |
| Monthly Rainfall | 295 mm | 112 mm |
| Rainy days | 19.3 | 9.9 |
| Crowds | Low | Unknown |
| Stay prices | Low | Unknown |
| Sea conditions | Rough | Not applicable |
| Average daytime high | 30°C | 32°C |
| Monthly Rainfall | 445 mm | 22 mm |
| Rainy days | 18.7 | 2.9 |
| Crowds | Low | Unknown |
| Stay prices | Low | Unknown |
| Sea conditions | Rough | Not applicable |
| Average daytime high | 29°C | 31°C |
| Monthly Rainfall | 263 mm | 5 mm |
| Rainy days | 14.2 | 0.8 |
| Crowds | High | Unknown |
| Stay prices | High | Unknown |
| Sea conditions | Variable | Not applicable |
| Destination | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average daytime high | ||||||||||||
| Koh Samui |
29°C
|
29°C
|
30°C
|
32°C
|
33°C
|
33°C
|
32°C
|
32°C
|
32°C
|
31°C
|
30°C
|
29°C
|
| Ubon Ratchathani |
32°C
|
34°C
|
36°C
|
37°C
|
35°C
|
34°C
|
33°C
|
32°C
|
32°C
|
32°C
|
32°C
|
31°C
|
| Monthly Rainfall | ||||||||||||
| Koh Samui |
127 mm
|
64 mm
|
116 mm
|
83 mm
|
132 mm
|
134 mm
|
117 mm
|
102 mm
|
118 mm
|
295 mm
|
445 mm
|
263 mm
|
| Ubon Ratchathani |
3 mm
|
11 mm
|
29 mm
|
83 mm
|
223 mm
|
237 mm
|
294 mm
|
291 mm
|
314 mm
|
112 mm
|
22 mm
|
5 mm
|
| Rainy days | ||||||||||||
| Koh Samui | 11.1 | 5.6 | 5.9 | 8.1 | 14 | 13.1 | 14.3 | 14.5 | 15 | 19.3 | 18.7 | 14.2 |
| Ubon Ratchathani | 0.6 | 1.4 | 3.7 | 6.5 | 14.8 | 16.7 | 19 | 20.6 | 19.1 | 9.9 | 2.9 | 0.8 |
| Crowds | ||||||||||||
| Koh Samui | High | High | High | High | Moderate | Moderate | High | Moderate | Low | Low | Low | High |
| Ubon Ratchathani | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
| Stay prices | ||||||||||||
| Koh Samui | High | High | High | High | Typical | Typical | High | Typical | Low | Low | Low | High |
| Ubon Ratchathani | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
| Sea conditions | ||||||||||||
| Koh Samui | Variable | Calm | Calm | Calm | Variable | Variable | Variable | Variable | Variable | Rough | Rough | Variable |
| Ubon Ratchathani | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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.
Koh Samui: Thai Meteorological Department — KO SAMUI (48550), 1991–2020.
Ubon Ratchathani: Thai Meteorological Department - UBON RATCHATHANI (48407), 1991-2020.
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Copyright of the Tourism Authority of Thailand (TAT)
