Chiang Mai weather in August 2025

Expect 86°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Chiang Mai in August. Check more long-term weather averages for Chiang Mai in August before you book your next holiday to Thailand in 2025/2026.

86
86°F max day temperature
5
5 hours of sunshine per day
21
21 days with some rainfall
72
72°F min night temperature
13
13 hours of daylight per day
H
High heat & humidity
8.9
8.9 inches of monthly rainfall
11
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) | Imperial (°F)

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How hot is it in Chiang Mai in August?

Daytime temperatures usually reach 86°F in Chiang Mai in August with high heat and humidity, falling to 72°F 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 8.9 inches.

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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Thailand - quick facts
Flight time^✝	15 hours
Time difference	UK +7 hours
Language(s)	Thai, Isan
Currency	Thai Baht
Electricity	A + B + C + O plug (230V)
Driving side	Left
Why visit?	Beaches Culture Nature Nightlife
Tourist info	Tourism Authority of Thailand