When to go · Chiang Mai
Chiang Mai in April
Avoid month. Listed as a month to avoid: Feb–Apr (crop-burning smoke and poor air quality).
Key facts
- Verdict
- Avoid
- Temperature
- 37°C99°F / 23°C73°F
- average high / low
- Rain days
- 8
- Crowds
- High
- Thailand overall
- Prices
- High
- Thailand overall
Verdict
Listed as a month to avoid: Feb–Apr (crop-burning smoke and poor air quality).
Weather in April
- Chiang MaiHighs around 37 °C, lows around 23 °C, rain on about 8 daysHighs around 99 °F, lows around 73 °F, rain on about 8 days
- North, Thailand · Chiang Mai, Chiang Rai, Paismoke haze
Cool nights Dec–Jan; the burning season (Feb–Apr) puts air quality among the worst in Asia — check AQI before booking.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Songkran (Thai New Year) big impact
13–15 Apr · Thailand
Nationwide water fights; transport out of Bangkok sells out; many shops close; phones and passports need waterproof bags.
Crowds and prices
- Crowds · Thailand overall
- High
- Prices · Thailand overall
- High
Thailand overall: Hottest month; Songkran (13–15 Apr) soaks everyone and fills transport — plan around it or join in.
High-price month: see what to book ahead.
What to pack
- Light, breathable clothes, a sun hat and sunscreen