Chiang Mai weather in August 2025

Expect daytime maximum temperatures of 30°C in Chiang Mai, Thailand in August and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 21 days with some rainfall and typically 226 mm of rainfall in the month.

  • 30°C maximum daytime temperature in August in Chiang Mai30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 21 days with some rainfall in August in Chiang Mai21
    21 days with some rainfall
  • 22°C minimum night-time temperature in August in Chiang Mai22
    22°C min night temperature
  • 13 hours of daylight per day in August in Chiang Mai13
    13 hours of daylight per day
  • High heat & humidity in August in Chiang MaiH
    High heat & humidity
  • 226 mm monthly rainfall in August in Chiang Mai226
    226 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Chiang Mai11
    11+ (Extreme) UV index

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The August 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 August?

Daytime temperatures usually reach 30°C in Chiang Mai in August with high heat and humidity, falling to 22°C at night.

How sunny is it in Chiang Mai in August?

There are normally 5 hours of bright sunshine each day in Chiang Mai in August - that's 36% of daylight hours.

Does it rain in Chiang Mai in August?

There are usually 21 days with some rain in Chiang Mai in August and the average monthly rainfall is 226mm.

What is the chance of a typhoon in Chiang Mai in August?

On average less than 1 day in August in Chiang Mai is likely to be affected by the passage of one or more tropical storms.

Chiang Mai August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:01 18:59
Saturday, 16th August 2025 06:06 18:51
Sunday, 31st August 2025 06:09 18:39

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