Weather in Chiang Mai in May
May in Chiang Mai is a hot month. Plan the serious walking for morning. The rest of the day wants shade and a slower pace.
In Thailand, this is how Chiang Mai actually wears May, not how a country centroid would. Compared with April and December, May sits in the middle of Chiang Mai's year.
- Average temp
- 29°C
24–35°C
- Rainfall
- 164 mm
A wet month
- Sunshine
- 6.7 h
hours per day
What to expect
Daytime
Hot days in Chiang Mai. Ruins, markets and hills are a morning job. Midday sightseeing is how people remember May for the wrong reason.
Nights stay warm. Air-con, if you can get it, is part of the brief. A jumper for May in Chiang Mai is almost always a waste of bag space.
Rain
Mixed skies in Chiang Mai in May. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.
Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.
Evening
Evenings stay warm.
What to pack
Sun protection
Rain jacket
A layer for cooler evenings
Where to stay in Chiang Mai
Dates are a starting point for May.
Travel guides for Chiang Mai
What to read before you book.
Average weather in Chiang Mai
TemperatureRainfall
Similar weather in May
Other destinations whose May averages sit close to this one.
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FAQs about Chiang Mai
Climate averages for Chiang Mai, 1991–2020.
The best time to visit Chiang Mai is between October and March, the most comfortable stretch of the year on these averages.
April is the hottest month, with an average around 30°C.
August is the wettest month, with about 234 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
