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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Mae Sai

Mae Sai in May

Mixed month. Outside the best window (Nov–Feb). Across Thailand: Heat plus first rains; Andaman seas turn rough; the Gulf islands are the pick.

Key facts

Verdict
Mixed
Temperature
33°C / 23°C
average high / low
Rain days
15
Crowds
Low
Thailand overall
Prices
Low
Thailand overall

Verdict

MixedThailand month rating

Outside the best window (Nov–Feb). Across Thailand: Heat plus first rains; Andaman seas turn rough; the Gulf islands are the pick.

Weather in May

Long-term averages
  • Mae SaiHighs around 33 °C, lows around 23 °C, rain on about 15 days

Crowds and prices

Crowds · Thailand overall
Low
Prices · Thailand overall
Low

Thailand overall: Heat plus first rains; Andaman seas turn rough; the Gulf islands are the pick.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen
  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Thailand in May →