Siem Reap is easiest to visit in the dry season from November to February. March and April are very hot, and the monsoon season from May to October brings heavy rain.

Our analysis considers temperature ranges, rainfall patterns, crowd levels, accommodation costs, and seasonal events to provide you with a comprehensive view of when to visit Siem Reap. Be aware that this destination has a distinct rainy season that can affect travel plans.

Month-by-Month Breakdown

Month Weather Rain Crowds Cost Verdict
January 31°C / 20°C 10mm
Peak
Good
February 33°C / 21°C 10mm
Peak
Good
March 35°C / 23°C 30mm
Good
April 36°C / 25°C 80mm
Good
Khmer New Year
May 34°C / 25°C 160mm 🌧️
Mixed
June 33°C / 25°C 180mm 🌧️
Mixed
July 32°C / 25°C 190mm 🌧️
Good
August 32°C / 25°C 210mm 🌧️
Mixed
September 32°C / 24°C 250mm 🌧️
Mixed
October 32°C / 23°C 230mm 🌧️
Mixed
November 31°C / 22°C 100mm
Peak
Good
December 30°C / 20°C 20mm
Peak
Good

Frequently Asked Questions

When is peak season in Siem Reap?
Peak season in Siem Reap typically runs during November, December, January, February. This is when you'll find the best weather and most tourist activity, but also the highest prices and largest crowds.
Is Siem Reap rainy during certain months?
Yes, Siem Reap has a rainy season. The wet months can see significant rainfall, which may affect outdoor activities. Check the month-by-month table below for specific rainfall data.
Is Siem Reap expensive to visit?
Prices in Siem Reap vary by season. Peak season months typically have the highest accommodation and activity costs. Visiting during shoulder or low season can save you money.
Can you visit Siem Reap in low season?
Yes, you can visit Siem Reap in low season. While weather conditions may be less ideal, you'll benefit from lower prices and fewer tourists. Some attractions may have limited hours.
What are the hottest months in Siem Reap?
The hottest months in Siem Reap are January, February, March, April, May, June, July, August, September, October, November. During these months, temperatures can exceed 30°C (86°F). Stay hydrated and plan indoor activities during peak heat.
What is the wettest month in Siem Reap?
May, June, July, August, September, October tend to be the wettest months. Pack a rain jacket and consider indoor attractions during this time.

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