When to go · Chiang Rai
Chiang Rai in April
Avoid month. Listed as a month to avoid: Mar–Apr (smoke and heat), Sep (wettest).
Key facts
- Verdict
- Avoid
- Temperature
- 35°C (95°F)95°F (35°C) / 21°C (70°F)70°F (21°C)
- average high / low
- Rain days
- 8
- Crowds
- High
- Thailand overall
- Prices
- High
- Thailand overall
Verdict
Listed as a month to avoid: Mar–Apr (smoke and heat), Sep (wettest).
Is another month better than April?
April is rated avoid. These months rate higher:
Weather in April
- Chiang RaiHighs around 35 °C (95 °F), lows around 21 °C (70 °F), rain on about 8 daysHighs around 95 °F (35 °C), lows around 70 °F (21 °C), 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.
Compare two months
Weather, crowds and prices for any two months in Chiang Rai, side by side.
Verdict
Apr: Avoid
Jan: Great (better)
Daytime high
Apr: 35 °C (95 °F)95 °F (35 °C)
Jan: 29 °C (84 °F)84 °F (29 °C)
Night low
Apr: 21 °C (70 °F)70 °F (21 °C)
Jan: 13 °C (55 °F)55 °F (13 °C)
Rain days
Apr: 8
Jan: 2 (better)
Crowds
Apr: High
Jan: High
Prices
Apr: High
Jan: High
Festivals listed
Apr: 1
Jan: 0
April: Listed as a month to avoid: Mar–Apr (smoke and heat), Sep (wettest).
January: Inside Chiang Rai's best window: Nov–Jan.
Chiang Rai: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen