Thailand in March

Hot; northern burning season makes Chiang Mai air bad. Beaches both coasts are good.

• Bangkok and centre · Bangkok, Ayutthaya, Kanchanaburihot

  Cool season Nov–Feb is the easy window; April reaches 38 °C; September and October bring street flooding in short bursts.

• North · Chiang Mai, Chiang Rai, Paismoke haze

  Cool nights Dec–Jan; the burning season (Feb–Apr) puts air quality among the worst in Asia — check AQI before booking.

• Andaman coast · Phuket, Krabi, Koh Lanta, Khao Lakbest weather

  Southwest monsoon May–Oct: rough seas, red-flag beaches, and the Similan and Surin parks closed.

• Gulf islands · Koh Samui, Koh Phangan, Koh Taobest weather

  Opposite rhythm: dry and calm Feb–Sep, wettest Oct–Dec when ferries can cancel.

• Bangkok34° / 26°, 4 rain days

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

• Makha Bucha

  Feb–Mar full moon

  Buddhist holiday: alcohol sales banned for the day; temples busy in the evening.

Crowds · Thailand

Medium

Prices · Thailand

Medium

• Light, breathable clothes, a sun hat and sunscreen

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Rated best or good this month

• Andaman coast

  Best weather of the year (Phuket, Krabi, Koh Lanta, Khao Lak)

• Gulf islands

  Best weather of the year (Koh Samui, Koh Phangan, Koh Tao)

• Phuket

  Best months: Nov–Apr (dry season, calm seas)