End of the wetter season · Weather & things to do
Chiang Mai in October
Little changes in Chiang Mai from September: highs stay near 85°F (29°C), lows near 71°F (22°C), and about 4.8 in (123 mm) of rain falls.
Our comfort score puts it mid-table at 55/100, 6th of 12.
- Avg high
- 85°F (29°C)
- Avg low
- 71°F (22°C)
- Rain
- 4.8 in (123 mm)
- Humidity
- 87%
- Cloud cover
- 69%
- Daylight
- ~11 h 34 min
- Comfort score
- 55/100 · Fair
What October feels like
Days are warm, averaging 85°F (29°C).
Lows average 71°F (22°C).
Humidity averages 87%, so the air feels sticky and the heat feels stronger than the thermometer says.
Expect regular rain: about 4.8 in (123 mm) falls in the month.
Plan around October
October sits mid-table; the best months are December & January.
- Comfort improves from 33/100 in September to 55/100.
- Our Bangkok to the Andaman route recommends Nov – Mar, so October falls outside its suggested window.
What to pack for October
- Light, breathable clotheshighs average 85°F
- Quick-dry fabrics87% average humidity
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Chiang Mai in October
A mixed month: these picks balance outdoor stops with indoor fallbacks.
Sunday Walking Street
Weekly street market stretching from Tha Phae Gate through the old city.
Why now Highs near 85°F keep it comfortable outside.
Wat Phra Singh
Chiang Mai's most revered temple, with Lanna-style murals.
Why now Mild enough in October to enjoy at an easy pace.
Wat Phra That Doi Suthep
Gold-spired mountaintop temple reached by a 300-step naga staircase.
Huen Phen
Long-standing northern Thai restaurant serving khao soi, sai ua sausage and laab.
Ristr8to
Specialty coffee bar in Nimman, known for latte art.
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~759 m to Chiang Mai's ~314 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Chiang Mai in October: quick answers
Is October a good time to visit Chiang Mai?
It's middling, scoring 55/100. The best months are December & January, at up to 94. Expect highs of 85°F (29°C) and 4.8 in (123 mm) of rain. Our Bangkok to the Andaman route recommends Nov – Mar, so October is outside its suggested window.
How hot is Chiang Mai in October?
Average highs are 85°F (29°C) and average lows 71°F (22°C), making it the 4th-coldest month by daytime highs.
Does it rain a lot in Chiang Mai in October?
Yes: about 4.8 in (123 mm) of rain falls across October on average, the 6th-wettest month of the year. The annual total is about 49.1 in (1246 mm).
What should I pack for Chiang Mai in October?
Bring light, breathable clothes (highs average 85°F), quick-dry fabrics (87% average humidity), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Chiang Mai
Planning Chiang Mai in October?
Share this October plan with your group, poll everyone on dates and keep the packing list in one place.