The weather in Chiang Mai in August is hot. The average temperatures are between 22°C and 31°C.
You can expect rain for roughly half of the month of August in Chiang Mai. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Chiang Mai in August 2025.
If you’re planning to visit Chiang Mai in the near future, we highly recommend that you review the 14 day weather forecast for Chiang Mai before you arrive.
Temperatures
31° / 22°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
190
mm
Sun Hours
10.7
Hrs
