SeasonScore
Chiang Mai, Thailand
Photo: Tevaprapas Makklay · CC BY 3.0

Thailand

Chiang Mai in October

🌦️ Rainy → cool season

Hot, humid and some showers.

🎒 Pack: light, breathable clothes & sunscreen · compact umbrella or rain jacket · quick-dry fabrics

Best months: Jan (8.8), Dec (8.8), Nov (8.7)

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Why October scores 8.0What goes into the score

How it works
🌡️ 32° / 23°C🌧️ 124 mm💧 dew pt 22°🍃 PM2.5 18
  • Weather comfort7.2
    • ✓Hot (32°C highs / 23°C lows)
    • !Very humid/sticky (dew point 21.5°C)
    • !Wet: ~124 mm rain, ~4 heavy-rain days
  • Air quality8.0
    • ✓Moderate (PM2.5 ~18 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.0
    • ·Normal precautions
Compare monthsPut October side by side with another month
OctJan
Score8.0 Very good8.8 Excellent
Season🌦️ Rainy → cool season🌤️ Cool season
High / low32° / 23°30° / 16°
Rain124 mm11 mm
Humiditydew pt 22°dew pt 14°
PM2.518 µg/m³32 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Chiang Mai weather-station normals. Rainfall: Chiang Mai weather-station normals (national met service).

Holidays & crowdsOctober 2027

Long weekend

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

  • HM King Chulalongkorn Memorial Day 23–25 Oct · 3 days off in a row

Other public holidays: HM King Bhumibol Adulyadej Memorial Day (13 Oct)

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

Explore Chiang MaiEvents, sights, food & souvenirs

Check event dates locally

Northern Thailand's cultural hub, known for hundreds of temples, a walled old city, night markets, mountain scenery and northern Thai food.

Events in October
Vegetarian FestivalAcross Thailand

Nine days of street food, rituals and processions, most famously in Phuket.

Coming up later

Yi Peng and Loy KrathongDate variesLunar calendar — full moon of the 12th Thai month, usually November

Lantern releases, floating krathongs and candlelit temples.

Why go: Hotels book up early; lantern release is restricted to designated events.

Where: Citywide, especially the Ping River and Tha Phae Gate

Chiang Mai Flower FestivalDate variesUsually the first weekend of February

Flower displays and a parade of flower-covered floats.

Why go: Free to attend.

Where: Suan Buak Haad park and city streets

SongkranEvery year13–15 April every year

Thai New Year, celebrated with huge street water fights.

Why go: Expect to get soaked; protect phones and cameras.

Where: Citywide, especially around the moat