Travel Guide · Thailand

Traveling to Thailand: What to See, Best Time and Entry Rules

Bangkok, the temples of the north and the beaches of Phuket: what to see in Thailand, when to go to avoid the rains and which documents you need.

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Updated: November 2026

Illustration of Bangkok’s temples
Language
Thai
Currency
Baht (THB)
Time
11–12 hrs ahead of Eastern
Flight
≈ 18–20 hrs with one stop
Best time
November to February
Ideal length
8 to 12 days

Thailand means golden temples, markets, extraordinary food and postcard beaches. And it is one of the destinations in Asia where your budget goes furthest.

What to see in Thailand

A first route links Bangkok, the old capitals and the north, with the option to finish at the beach.

Illustration of Bangkok’s temples

Bangkok

The Grand Palace and the Emerald Buddha, the reclining Buddha at Wat Pho, Wat Arun on the Chao Phraya River and the floating markets outside the city.

Royal temples require clothing that covers shoulders and knees.

Ayutthaya and Sukhothai

The two former capitals of the kingdom of Siam, now World Heritage historical parks, with ruined temples and Buddhas among tree roots.

Illustration of the White Temple in Chiang Rai

Chiang Rai and Chiang Mai

In the north, Chiang Rai’s White Temple, the Golden Triangle where Thailand, Laos and Myanmar meet, and Chiang Mai, with more than 300 temples, night markets and elephant sanctuaries.

Illustration of Phuket’s beaches

Phuket and Phang Nga Bay

White-sand beaches and boat trips among the limestone islets of Phang Nga, to end the trip relaxing.

Best time to visit Thailand

November to February is the cool, dry season: the best time to travel the whole country.

  1. Jan Ideal
  2. Feb Ideal
  3. Mar Very hot
  4. Apr Very hot
  5. May Rainy
  6. Jun Rainy
  7. Jul Rainy
  8. Aug Rainy
  9. Sep Rainy
  10. Oct Good
  11. Nov Ideal
  12. Dec Peak

March and April are the hottest months, above 95 °F. From May to October the monsoon rains arrive: usually afternoon showers, but the sea off Phuket is rougher.

December and January are peak season, especially at the beaches; book early.

Entry requirements for Thailand

Thailand changed its visa-exemption rules in September 2026. This is what applies today.

US passport (including Puerto Rico)

No visa for up to 30 days

  • Tourist stays of up to 30 days.
  • Free TDAC digital arrival card within 72 hours before arrival.
  • Passport valid for at least 6 months.

Mexican passport

Check before you book

  • Since the September 2026 change you may need an e-Visa.
  • Free TDAC within 72 hours before arrival.
  • We confirm the current requirement when you book.

The TDAC (Thailand Digital Arrival Card) is mandatory for all foreigners, including those who do not need a visa. It is free on the official immigration portal; be wary of sites that charge for it.

Official sources: TDAC digital arrival card (Thai Immigration) · Thailand e-Visa · U.S. State Department travel advisories

Is it safe to travel to Thailand?

Thailand welcomes tens of millions of tourists every year and is a safe destination. The most common nuisances are small tourist scams, easy to avoid when you travel with a guide.

  • Be wary of anyone who says a temple is closed and offers to take you somewhere else: it is a classic Bangkok scam.
  • Respect the monarchy and Buddha images. Do not point your feet or climb on statues; insulting the king is a crime.
  • Bottled water and sunscreen. Heat and humidity are intense most of the year.
  • Elephants only at ethical sanctuaries. Skip elephant rides.

Our Thailand tours

Tours with Spanish-speaking guides through Bangkok and the north, with the option to finish in Phuket. Prices per person in a double room, without international flights.

See every Asia tour, with day-by-day itineraries, on our Far East page.

Suggested itinerary: Thailand in 8 days

The route of our Thailand for Everyone tour, from Bangkok to the north.

  1. Days 1–3

    Bangkok

    Arrival, the Grand Palace and Wat Pho, and a free day.

  2. Day 4

    Ayutthaya and Sukhothai

    The former capitals of the kingdom of Siam.

  3. Day 5

    Lampang and Chiang Rai

    Heading north and a night in Chiang Rai.

  4. Days 6–8

    Golden Triangle and Chiang Mai

    The Golden Triangle, Chiang Mai, a free day and the flight out.

Frequently asked questions

Do US citizens need a visa for Thailand?

Not for tourist stays of up to 30 days under the rules in force since September 2026. You do need to complete the TDAC within 72 hours before arrival and a passport valid for 6 months.

What do Mexican citizens need to travel to Thailand?

The rules for Mexican passports changed in September 2026 and you may need an e-Visa. We confirm the current requirement when you book; the TDAC is required in every case.

What is the TDAC?

The Thailand Digital Arrival Card. It is free and mandatory for all foreigners, completed on the official immigration portal within 72 hours before the trip.

When is the best time to visit Thailand?

November to February, the cool, dry season. March and April are very hot, and May to October is rainy.

Is Thailand expensive to visit?

It is one of the best-value destinations in Asia. Our 8-day tour with hotels and a guide costs from $2,149 per person, without flights.

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