Chiang Mai weather in October 2025

Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Chiang Mai in October. Check more long-term weather averages for Chiang Mai in October before you book your next holiday to Thailand in 2025/2026.

  • 30°C maximum daytime temperature in October in Chiang Mai30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in October in Chiang Mai12
    12 days with some rainfall
  • 21°C minimum night-time temperature in October in Chiang Mai21
    21°C min night temperature
  • 12 hours of daylight per day in October in Chiang Mai12
    12 hours of daylight per day
  • High heat & humidity in October in Chiang MaiH
    High heat & humidity
  • 125 mm monthly rainfall in October in Chiang Mai125
    125 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in October in Chiang Mai11
    11 (Extreme) UV index

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The October weather guide for Thailand (Chiang Mai) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Chiang Mai in October?

Daytime temperatures usually reach 30°C in Chiang Mai in October with high heat and humidity, falling to 21°C at night.

How sunny is it in Chiang Mai in October?

There are normally 7 hours of bright sunshine each day in Chiang Mai in October - that's 58% of daylight hours.

Does it rain in Chiang Mai in October?

There are usually 12 days with some rain in Chiang Mai in October and the average monthly rainfall is 125mm.

Chiang Mai October sunrise & sunset times

Browse the sunrise and sunset times for Chiang Mai in October 2025. Select a month to view Chiang Mai sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:15 18:12
Thursday, 16th October 2025 06:18 18:01
Friday, 31st October 2025 06:24 17:51

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