SeasonScore
Pai, Thailand
Photo: FredTC · CC BY-SA 3.0

Thailand

Pai in May

🌦️ Hot → rainy season

Hot, a little humid and often rainy.

🎒 Pack: light, breathable clothes & sunscreen · compact umbrella or rain jacket

Best months: Jan (9.5), Dec (9.5), Nov (9.4)

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Why May scores 7.9What goes into the score

How it works
🌡️ 34° / 23°C🌧️ 184 mm💧 dew pt 20°🍃 PM2.5 12
  • Weather comfort6.6
    • !Hot (33.9°C highs / 23.3°C lows)
    • !Humid (dew point 20.2°C)
    • !Wet: ~184 mm rain, ~6 heavy-rain days
  • Air quality8.9
    • ✓Good (within WHO guideline) (PM2.5 ~12 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.0
    • ·Normal precautions
Compare monthsPut May side by side with another month
MayJan
Score7.9 Very good9.5 Excellent
Season🌦️ Hot → rainy season🌤️ Cool season
High / low34° / 23°27° / 16°
Rain184 mm27 mm
Humiditydew pt 20°dew pt 13°
PM2.512 µg/m³14 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast).

Holidays & crowdsMay 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • National Labor Day 1–4 May · 4 days off in a row

Other public holidays: Visakha Bucha (20 May)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore PaiEvents, sights, food & souvenirs

Check event dates locally

Pai is a small valley town in Mae Hong Son province, popular for its relaxed atmosphere, mountain viewpoints, hot springs and night walking street.

Events in May
Rocket Festival (Bun Bang Fai)Across Thailand

Villages launch homemade rockets to summon rain for the rice season.

Coming up later

Loy KrathongDate variesFull moon of the 12th Thai lunar month, usually November; date moves each year

Krathong are floated on the river during the full moon.

Why go: Cool season is high season in Pai, so book ahead.

Where: Pai River and temples

Songkran (Thai New Year)Every year13-15 April every year

Water fights fill the small town centre.

Why go: Roads around the centre are crowded and wet.

Where: Walking Street and town centre