Chiang Mai weather
Our guide to the weather in Chiang Mai during August
We've looked at the most up-to-date weather data for Chiang Mai, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Chiang Mai weather in August.
How hot is it in Chiang Mai during August?
The temperature reaches around 31℃ during the daytime in August, falling away to 22℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in Chiang Mai during August?
August is typically the wettest month in Chiang Mai. On average, there will be 8 rainy days during the month, amounting to 183.2mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, August will see just 2 days that produce a storm.
Is it windy in Chiang Mai during August?
No - there is very light air movement in August so conditions should be calm with light breezes at times.
Weather in Chiang Mai
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