When is the best time to visit Siem Reap?

The most comfortable stretch is January to February and November to December, when average highs run 86 to 91 degrees F with 1 to 12 rainy days a month. March is the hottest month at 94 degrees F on average, and October the coolest at 86 degrees F.

What is the rainiest month in Siem Reap?

September, with roughly 29 days of rain. The driest is January, with about 1. Both are averages from 2019-2024 records.

How warm does it get in Siem Reap?

July averages 89 degrees F by day and 77 degrees F at night, and January averages 88 degrees F and 70 degrees F. In the southern hemisphere those two are reversed.

How do I book tours, a hotel or an airport transfer in Siem Reap?

Everything on this page books through our travel partners: top-rated tours and tickets, hotels, car rental, airport transfers, an eSIM and travel insurance. Voyaggora earns a commission on some bookings at no extra cost to you, and our AI concierge can put a day-by-day plan together first.

Siem Reap: Best Time to Visit & Things to Do

Updated September 23, 2026. Prices and availability come live from the partners when you click; ratings are re-checked on the date shown in the note at the end of the page.

Top-rated tours in Siem Reap

Siem Reap: Angkor Wat: Small-Group Sunrise or Sunset Tour★ 5.012,181 reviews→ From Siem Reap: Kampong Phluk Floating Village Tour by Boat★ 4.98,333 reviews→ Siem Reap: Angkor Wat 2-Day Tour with Sunrise and Sunset★ 4.95,035 reviews→ Up to 20% offSiem Reap: Full-Day Angkor Wat Guided Tour with Sunset★ 4.93,954 reviews→

See all things to do in Siem Reap → More tours on Viator →

Where to stay in Siem Reap

Hotels and vacation rentals around Siem Reap with live prices from the big booking sites. Pick your dates on the map to compare.

Hotel map by our partner Stay22. If you book through it we may earn a commission, at no extra cost to you.

Best time to visit Siem Reap

The most comfortable months in Siem Reap are January to February and November to December, with average daytime highs of 86 to 91°F and 1 to 12 rainy days a month. March is the hottest month, averaging 94°F, and October the coolest at 86°F. September sees the most rain, around 29 days, while January is the driest with about 1.

Jan88°70°1 d

Feb91°73°5 d

Mar94°77°10 d

Apr94°78°16 d

May92°79°24 d

Jun91°78°22 d

Jul89°77°26 d

Aug89°77°26 d

Sep87°76°29 d

Oct86°74°23 d

Nov87°73°12 d

Dec86°69°4 d

Average daily high / low and days with rain, from Open-Meteo ERA5 records for 2019-2024. Highlighted months are the pick above.

Plan the rest of your trip to Siem Reap

🏨Hotels in Siem ReapCompare hotels and apartments through our partner RateHawk. 🎟️Museum and attraction ticketsSkip-the-line tickets for top sights in Siem Reap, from Tiqets. 🎒Things to do in Siem Reap on KlookActivities, attraction tickets and transport passes you can book on Klook. 🏮Local experiences on KKdayTours, tickets and day trips in Siem Reap, from KKday. 🔥 Up to 30% off through Sept 30. ✈️Flights to Siem ReapCompare airfares on Trip.com and search your route. 🛎️Hotels in Siem Reap on Trip.comCompare hotels and homes in Siem Reap for your dates. 🏩Hotels in Siem Reap on ExpediaCompare hotel prices and reviews on Expedia for your dates. 🎡Things to do in Siem Reap on ExpediaTours, tickets and activities you can book on Expedia. 🏡Vacation rentals in Siem Reap on VrboWhole homes, villas and apartments with room for everyone. 🚖Airport transfer in Siem ReapPre-book a driver who meets you at arrivals, from Welcome Pickups. 🧭Transfer, taxi or rideshare?Our guide to choosing the best ride from the airport into Siem Reap. 🙋Private local guideCustomizable private tours with vetted local guides from GoWithGuide. 📱eSIM data planGet mobile data before you land, with Airalo. 📶eSIM, roaming or local SIM?Our guide to staying connected on a short trip to Siem Reap. 🛡️Travel insuranceCompare travel medical and cancellation cover with HelloSafe. ⏱️Flight delayed or cancelled?Check if you are owed compensation, with AirHelp. ✦Ask our AI conciergeTell us how many days you have and what you enjoy, and get a plan for Siem Reap. 🏨Hotels in Siem Reap on AgodaCompare hotel prices and reviews on Agoda, via our partner Stay22.🔎Compare hotels in Siem Reap on KAYAKSearch and compare hundreds of hotel sites at once, via our partner Stay22.🛂Do you need a visa for Siem Reap, Cambodia?Check entry requirements and apply online with eVisas.com, a private visa service (service fee applies).

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Closest guides to Siem Reap

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Planning guides

Cruise or all-inclusive resort?Airport transfer or rental car?What travel insurance actually pays When to book flights and hotels

Siem Reap: common questions

When is the best time to visit Siem Reap?: The most comfortable stretch is January to February and November to December, when average highs run 86 to 91°F with 1 to 12 rainy days a month. March is the hottest month at 94°F on average, and October the coolest at 86°F.
What is the rainiest month in Siem Reap?: September, with roughly 29 days of rain. The driest is January, with about 1. Both are averages from 2019-2024 records.
How warm does it get in Siem Reap?: July averages 89°F by day and 77°F at night, and January averages 88°F and 70°F. In the southern hemisphere those two are reversed.
How do I book tours, a hotel or an airport transfer in Siem Reap?: Everything on this page books through our travel partners: top-rated tours and tickets, hotels, car rental, airport transfers, an eSIM and travel insurance. Voyaggora earns a commission on some bookings at no extra cost to you, and our AI concierge can put a day-by-day plan together first.

Some links on this page are sponsored: if you book through them we may earn a commission at no extra cost to you. Ratings and review counts come from GetYourGuide and were last checked on September 23, 2026. Prices, availability and rules are set by the providers and change often. See our affiliate disclosure.