Chiang Mai weather
11-year climate averages (2015–2025), month by month
Chiang Mai in october
Current month averages, based on 11 complete years of records (2015–2025). 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 11 complete years of records below (2015–2025) 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 october
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. Mid-November after monsoon clears, before December burning-season smoke; Loy Krathong sky lanterns fill Ping River and Doi Suthep sunrise runs clear.
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). April burning season plus 40C heat make Chiang Mai unbreathable; locals flee to Mae Kampong hills or Chiang Dao caves for cooler air.
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). December mornings on Doi Inthanon summit hit 5C with frost; sleeveless-culture Chiang Mai residents pull out puffy jackets sold at Warorot Market.
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. September afternoon downpours make Old City moats overflow into Ratchadamnoen Road; the songthaew red trucks keep running, but scooter rentals halt.
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. Sunday walking street on Ratchadamnoen is 90 percent tourists; go to Wua Lai Saturday market for silversmith heritage instead. Khao soi at Khao Soi Khun Yai is 40 baht and closes at 2pm daily. Digital nomad cafes cluster in Nimman; real Chiang Mai lives in Santitham and Chang Puak. The songthaew red truck is 30 baht anywhere in old city; never take a tuk-tuk unless you enjoy overpaying. Doi Suthep temple at 6am beats the tour bus 10am crowd. You can read the detailed month-by-month breakdown on this page.