What to pack for Chiang Mai in October
- light, breathable clothing
- sun protection (hat, SPF 50)
- a compact umbrella or rain shell — rain is frequent
- expect humid, sticky conditions
Humidity averages 83%; max daily wind around 8 km/h.
How October compares
Best months in Chiang Mai: December–January. See the full best time to visit Chiang Mai guide.
Chiang Mai in October: the details
In October, Chiang Mai sees average daytime highs of 29°C (85°F) and overnight lows of 22°C (72°F). Rainfall totals roughly 191 mm across 17.8 rainy days, and the sun shines about 9.8 hours per day with 11.6 hours of daylight mid-month. Relative humidity averages 83%.
In context: October is the 9th-warmest month and the 6th-wettest in Chiang Mai. The sunniest month is April (10.9 h/day).
| Metric | October average |
|---|---|
| Daytime high | 29°C / 85°F |
| Overnight low | 22°C / 72°F |
| Rainfall | 191 mm over 17.8 rainy days |
| Sunshine | 9.8 h/day (11.6 h daylight) |
| Humidity | 83% |
| Travel score | 5.0 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Chiang Mai, Thailand (18.79, 98.98) — see our methodology. Actual conditions vary year to year.
Not set on Chiang Mai? Browse the best places to visit in October ranked by travel score.
Frequently asked questions
How hot is Chiang Mai in October?
Daytime highs in Chiang Mai in October average 29°C (85°F); nights drop to about 22°C.
Does it rain in Chiang Mai in October?
Expect around 17.8 rainy days and 191 mm of rainfall in October.
Is October a good time to visit Chiang Mai?
October is a fair shoulder-season month in Chiang Mai — decent conditions with some trade-offs. Overall travel score: 5.0/10. The best months are December–January.
Also good in October, near Chiang Mai
Where should you go next month?
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