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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) / 21°C (70°F)
average high / low
Rain days
8
Crowds
High
Thailand overall
Prices
High
Thailand overall

Verdict

AvoidBest and avoid months for Chiang Rai

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

Long-term averages
  • Chiang RaiHighs around 35 °C (95 °F), lows around 21 °C (70 °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.

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)

    Jan: 29 °C (84 °F)

  • Night low

    Apr: 21 °C (70 °F)

    Jan: 13 °C (55 °F)

  • 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

Build the full packing list for your trip →

Across Thailand in April →