Chiang Mai weather
Ten-year climate averages, month by month
Chiang Mai in august
Current month averages, based on ten years of records. Read the full guide →
Chiang Mai sits at 18°47′N 98°59′E in Thailand, in Asia. Its climate profile is shaped by these coordinates — and the ten years of records below reveal exactly how each season feels on the ground.
Below, you'll find monthly averages for temperature, rainfall and sunshine, drawn from the Open-Meteo Archive. Every month links to a full guide with what to pack, where to stay, and when to arrive.
The year in weather
Chiang Mai weather by month
Pick a month for the full climate guide — temperature, rainfall, sunshine, packing tips and hotel deals for Chiang Mai.
Places that feel like Chiang Mai in august
Chiang Mai weather — FAQ
Q01When is the best time to visit Chiang Mai?
When is the best time to visit Chiang Mai?
The best months to visit Chiang Mai are January, November, December. Ten-year daily records show these months hold the most stable mix of temperature, rainfall and sunshine.
Q02What is the hottest month in Chiang Mai?
What is the hottest month in Chiang Mai?
April runs the highest averages in Chiang Mai, with typical daytime highs of 35°C (96°F). Plan around midday and consider accommodation with reliable cooling.
Q03What is the coldest month in Chiang Mai?
What is the coldest month in Chiang Mai?
January brings the lowest averages, with daytime highs near 27°C (81°F). Layer up and expect shorter daylight hours if you plan sightseeing.
Q04Which month has the most rain in Chiang Mai?
Which month has the most rain in Chiang Mai?
August typically records the highest monthly rainfall — around 393mm on average. Plan indoor alternatives and pack proper rain gear if visiting this month.
Q05What is the climate like in Chiang Mai?
What is the climate like in Chiang Mai?
Chiang Mai, Thailand has very hot summers, warm winters, a distinct rainy season. You can read the detailed month-by-month breakdown on this page.