Siem Reap in December

Cool mornings; book ahead.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

No other month rates higher than December for Siem Reap in this guide.

• Siem ReapHighs around 30 °C (86 °F), lows around 20 °C (68 °F), rain on about 3 daysHighs around 86 °F (30 °C), lows around 68 °F (20 °C), rain on about 3 days
• Angkor and the plains, Cambodia · Siem Reap, Phnom Penh, Battambang, Kampong Chambest weather

  Dry and cooler Nov–Feb; April tops 38 °C (100 °F); the green season brings afternoon storms and flooded rural roads, but the moats and rice fields look their best.Dry and cooler Nov–Feb; April tops 100 °F (38 °C); the green season brings afternoon storms and flooded rural roads, but the moats and rice fields look their best.

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.

• Angkor half marathon (check dates) check

  Early Dec · Angkor park

  Some roads close for a morning.

• Angkor Photo Festival and half marathon (check dates)

  Nov–Dec

  Evening screenings and a race through the park; some roads close for a morning.

Crowds · Cambodia overall

High

Prices · Cambodia overall

High

Cambodia overall: Peak season: dry, cooler, crowded at sunrise spots; late-December rates are the year's highest.

High-price month: see what to book ahead.

Weather, crowds and prices for any two months in Siem Reap, side by side.

• Light, breathable clothes, a sun hat and sunscreen

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