Worst time to visit Chiang Mai

Some months in Chiang Mai are clearly tougher for travel — extreme heat, cold, drenching rain, or peak storm season. Here's what to skip.

Months to avoid

MonthWhy
Februaryvery hot (32°C / 90°F)
Marchdangerously hot (avg 34°C / 93°F)
Aprildangerously hot (avg 36°C / 97°F)
Maydangerously hot (avg 34°C / 93°F)
Junevery hot (33°C / 91°F)
Julyvery hot (32°C / 90°F)very wet (15 rain days)
Augustvery hot (31°C / 88°F)very wet (17 rain days)
Septembervery hot (31°C / 88°F)extremely wet (18 rain days)
Octobervery hot (31°C / 88°F)

Better times to go

Better months: December (28°C, 2 rain days)

🌤 See the full Chiang Mai climate →

Monthly averages, 10-day forecast, and the best months to visit.