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Siem Reap cityscape

Month-by-Month Guide

Best Time to Visit Siem Reap

Cambodia · Updated for 2026

Quick Answer

Best months

November - February (dry, cooler)

Avoid if possible

May - September (hot, heavy monsoon rain)

Shoulder season tip

October and March sit at the seasonal edges with reasonable weather and fewer tourists.

Average temperatures

25-35 degrees C (77-95 F) year-round; monsoon June-October

Siem Reap Month by Month

Weather, crowds, prices, and events for every month of the year.

January

$$$
🌡 25°C / 77°F🌧 5 days👥 High

Peak season in Siem Reap. Dry and pleasantly warm with cooler evenings. Temples, markets, and heritage sites are at their most vibrant and accessible.

Events: New Year celebrations, dry season peak

February

$$$
🌡 27°C / 81°F🌧 4 days👥 High

Excellent weather continues in Siem Reap. Lunar New Year brings spectacular street celebrations. Warm days are ideal for cycling through the old town and countryside.

Events: Lunar New Year, lantern festivals

March

$$$
🌡 31°C / 88°F🌧 6 days👥 Medium-High

Hot and increasingly humid in Siem Reap. Early morning temple visits are essential before midday heat. Festival season continues with excellent cultural experiences.

Events: Spring festivals, local events

April

$$
🌡 33°C / 91°F🌧 8 days👥 Medium

Khmer New Year and Songkran water festivals animate Siem Reap and the region. Very hot; start sightseeing before 9am and retreat to your pool in the afternoon.

Events: Khmer / Lao New Year water festivals

May

$$
🌡 33°C / 91°F🌧 14 days👥 Low-Medium

Hot and wet in Siem Reap as the monsoon arrives. Prices drop and crowds thin dramatically. Afternoon rains cool the air; mornings are often clear and explorable.

Events: Buddhist festivals, local events

June

$
🌡 31°C / 88°F🌧 17 days👥 Low

Monsoon season is underway in Siem Reap. Heavy daily rains but the lush green landscape and flooded rice fields are actually beautiful. Lowest prices of the year.

Events: Monsoon season, local festivals

July

$
🌡 30°C / 86°F🌧 18 days👥 Low

Deep monsoon in Siem Reap. Spectacular thunderstorms light up the sky over ancient temples. Off-season means you may have iconic sites almost to yourself.

Events: Buddhist festivals, local celebrations

August

$
🌡 30°C / 86°F🌧 17 days👥 Low

Still monsoon season in Siem Reap but mornings are often stunning. The countryside is brilliantly green and flooded plains create surreal landscapes near ancient ruins.

Events: Local independence events, cultural

September

$
🌡 30°C / 86°F🌧 16 days👥 Low

Rains ease slightly in Siem Reap toward month-end. Cooler breezes begin. The combination of budget prices and thinning crowds appeals to adventurous travellers.

Events: Harvest festivals, cultural events

October

$$
🌡 29°C / 84°F🌧 11 days👥 Medium

The dry season edges back into Siem Reap. Excellent shoulder season: warm but manageable, lush and green, with better prices than peak months. A real sweet spot.

Events: Water festivals, Kathin robe ceremonies

November

$$$
🌡 27°C / 81°F🌧 6 days👥 Medium-High

One of the finest months to visit Siem Reap. Dry, warm evenings are perfect for lantern-lit old town walks. The cultural scene thrives and crowds are manageable.

Events: Lantern Festival, local cultural events

December

$$$
🌡 25°C / 77°F🌧 4 days👥 High

Peak season returns to Siem Reap with ideal weather: warm, dry, and breezy. Christmas and New Year bring international visitors. Book ahead for the best accommodation.

Events: New Year, Christmas beach events

Insider Tips for Siem Reap

  • 1November to February is the ideal dry, cooler season for most of the region.
  • 2Buy an e-SIM or local SIM card on arrival for cheap data and map navigation.
  • 3Remove shoes before entering temples and carry a scarf to cover shoulders.
  • 4Street food is both delicious and safe if stalls are busy and food is freshly cooked.
  • 5Tuk-tuks and rickshaws are fun for short trips — agree on the price before getting in.

Where to Stay in Siem Reap

Old-town boutique hotels offer the most atmospheric stays. Temple districts and heritage areas provide easy morning access before the heat builds.

Browse Siem Reap hotel guides

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