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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Siem Reap

Siem Reap in January

Great month. Cool, dry; the busiest month.

Key facts

Verdict
Great
Temperature
31°C / 20°C
average high / low
Rain days
1
Crowds
High
Cambodia overall
Prices
High
Cambodia overall

Verdict

GreatVoykit month rating for Siem Reap

Cool, dry; the busiest month.

Weather in January

Long-term averages
  • Siem ReapHighs around 31 °C, lows around 20 °C, rain on about 1 day
  • Angkor and the plains, Cambodia · Siem Reap, Phnom Penh, Battambang, Kampong Chambest weather

    Dry and cooler Nov–Feb; April tops 38 °C; the green season brings afternoon storms and flooded rural roads, but the moats and rice fields look their best.

Dry cool season

Cool mornings and clear light; the peak season.

Watch: Crowds at sunrise and full hotels.

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.

  • Peak season begins

    Dec–Jan · Temples citywide

    The busiest and most expensive weeks; book hotels and the sunrise driver early.

  • International New Year

    1 Jan · Cambodia

    Hotel peak in Siem Reap for the New Year sunrise at Angkor Wat.

  • Chinese New Year

    Jan–Feb (lunar, moves yearly — check) · Cambodia

    Chinese-run businesses close; Siem Reap busy with regional visitors.

Crowds and prices

Crowds · Cambodia overall
High
Prices · Cambodia overall
High

Cambodia overall: Dry and warm, cool mornings: the best Angkor month. Book Siem Reap beds early.

High-price month: see what to book ahead.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen

Build the full packing list for your trip →

Across Cambodia in January →