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Phnom Penh Weather Overview

Phnom Penh, the capital city of Cambodia, is a vibrant and bustling destination that attracts visitors from all over the world. With its rich history, stunning architecture, and delicious cuisine, there's no shortage of things to see and do in this fascinating city. However, before planning your trip, it's important to understand the climate and weather patterns in Phnom Penh. The city has a tropical climate, which means it can be hot and humid throughout the year. In this travel guide, we'll take a closer look at Phnom Penh weather and provide tips for how to make the most of your visit, no matter what time of year you plan to travel.

The Seasons in Phnom Penh

Phnom Penh has two main seasons - the dry season and the rainy season. The dry season runs from November to April, while the rainy season runs from May to October.

Siem Reap Weather Overview

Dry Season

  • Period: Nov - Apr
  • Average Temperature: 22-35°C (72-95°F)
  • Humidity Level: 50-60%
  • Average hours of sunshine per day: 9 hours

The dry season in Phnom Penh runs from November to April and is characterized by sunny days and low humidity levels. During this time, temperatures can reach up to 35°C (95°F) during the day, but cool down to around 22°C (72°F) at night. This is the peak tourist season in Phnom Penh, with many visitors flocking to the city to enjoy the pleasant weather and outdoor activities.

Best things to do

  • Visit the Royal Palace and Silver Pagoda
  • Explore the National Museum of Cambodia
  • Take a sunset cruise on the Mekong River
  • Shop at the Russian Market or Central Market
  • Enjoy outdoor activities like cycling or walking tours

What to pack

  • Light, breathable clothing such as cotton t-shirts and shorts
  • Sunscreen, sunglasses, and a hat to protect from the sun
  • Comfortable walking shoes or sandals
  • A light jacket or sweater for cooler evenings
  • Insect repellent to protect against mosquitoes

Phnom Penh Dry Season

Rainy Season

  • Period: May-Oct
  • Average Temperature: 35°C (95°F)
  • Humidity Level: 60-80%
  • Average hours of sunshine per day: 9 hours

The rainy season in Phnom Penh runs from May to October and is characterized by high humidity levels and frequent rain showers. During this time, temperatures can still reach up to 35°C (95°F) during the day, but do not cool down as much at night. The city can experience heavy rainfall and occasional flooding, so it's important to be aware of this when planning your trip.

Best things to do

  • Take a cooking class to learn about Cambodian cuisine
  • Explore the art galleries and cafes in the trendy BKK1 neighborhood
  • Relax with a traditional Khmer massage
  • Take a day trip to nearby Kirirom National Park

What to pack

  • Lightweight rain gear such as a poncho or umbrella
  • Quick-drying clothing such as synthetic t-shirts and pants
  • Waterproof shoes or sandals
  • Insect repellent to protect against mosquitoes
  • A small backpack or bag to keep belongings dry

And no matter what season you visit Phnom Penh, be sure to bring a camera to capture all the amazing sights and experiences the city has to offer!

Phnom Penh Rainy Season

Phnom Penh Monthly Temperature & Rainfall Averages

The best time to visit Phnom Penh is from November to February when the weather is cool and dry. During this time, temperatures average around 25°C (77°F) and there is little rainfall, making it an ideal time for sightseeing and outdoor activities. March to May can be very hot and humid with temperatures reaching up to 40°C (104°F), while June to October is the rainy season with frequent downpours and occasional flooding. However, if you don't mind the rain, visiting during the wet season can also have its advantages as the countryside is lush and green, and there are fewer tourists.

Take a look at our general statistics to anticipate the best time to visit Phnom Penh.

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Average Maximum Average Minimum Average Rainfall
January 31°C 23°C 25.5 mm
February 33°C 23°C 11.5 mm
March 34°C 25°C 11.5 mm
April 35°C 26°C 77 mm
May 34°C 26°C 160 mm
June 34°C 26°C 165 mm
July 33°C 25°C 165 mm
August 32°C 25°C 170 mm
September 32°C 25°C 245 mm
October 31°C 25°C 280 mm
November 31°C 24°C 130 mm
December 30°C 23°C 35 mm

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