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Preah Sihanouk

Weather in Прэахсэйханук: What to Expect by Season

Photo: Kiensvay, CC BY-SA 3.0

Weather overview

Прэахсэйханук enjoys a tropical climate with distinct wet and dry seasons, making it a year-round destination with warm temperatures. From November to March, the weather in Прэахсэйханук is dry and comfortable, with plenty of sunshine and lower humidity. This period is ideal for beachgoers and outdoor activities, as rainfall is minimal and the sea remains calm.

The wet season in Прэахсэйханук spans from June to September, bringing frequent showers and higher humidity. While downpours can be heavy, they are often short-lived, leaving room for sunny intervals. Travelers visiting Прэахсэйханук during these months should be prepared for occasional rain but can still enjoy the city’s coastal charm. The shoulder months of April, May, and October offer a mix of conditions, with rising or tapering rainfall and warm temperatures.

Temperature

Temperatures in Прэахсэйханук remain consistently warm throughout the year, with little variation between seasons. The hottest months are March and April, when daytime highs reach +31.5 °C and +31.9 °C, while nights stay mild at around +24 °C. Even during the cooler months, such as December and January, temperatures rarely drop below +22.8 °C, ensuring a pleasant climate for visitors.

The sea in Прэахсэйханук is warm year-round, with water temperatures ranging from +28.6 °C in January to +31.6 °C in May. This makes swimming and water activities enjoyable at any time, though the dry season offers the most comfortable conditions for spending extended time outdoors. Even in the wet season, the water remains inviting, with temperatures hovering around +29–30 °C.

Average air temperature °C
Average air temperature
Month Minimum Maximum
January 22.8 30.9
February 23.4 31.1
March 24 31.5
April 24.7 31.9
May 25.2 31.3
June 25 30.2
July 24.7 30
August 24.6 30
September 24.3 29.2
October 24.3 30.6
November 24.2 31.4
December 23.1 31.2

Precipitation

Rainfall in Прэахсэйханук varies significantly between seasons, with the driest months being January and February, when precipitation averages just 50.1 mm and 70.2 mm, respectively. The wet season peaks in July and September, with monthly rainfall exceeding 500 mm, so travelers should pack accordingly and plan for indoor activities during heavy downpours.

While the wet season in Прэахсэйханук brings frequent rain, it also contributes to the lush landscapes and vibrant greenery that make the region so picturesque. Showers are often intense but brief, allowing for outdoor exploration between storms. The transitional months of May and October see a gradual increase or decrease in rainfall, making them a good compromise for those who prefer milder weather conditions.

Precipitation amount mm
Precipitation amount
Month Precipitation
January 50.1
February 70.2
March 92.5
April 155.1
May 368
June 447
July 658
August 475.8
September 596.6
October 397.1
November 178.8
December 70.1

What to pack

For a trip to Прэахсэйханук during the dry season, lightweight and breathable clothing is essential, along with sun protection like hats, sunglasses, and sunscreen. Since temperatures rarely dip below +23 °C, even at night, there’s no need for heavy layers. A light rain jacket or umbrella can be useful for occasional showers in April or November, though they are usually short-lived.

Visitors traveling to Прэахсэйханук in the wet season should prioritize waterproof gear, including a sturdy umbrella, quick-dry clothing, and water-resistant footwear. Mosquito repellent is also recommended, as humidity and standing water can attract insects. Despite the rain, the warm temperatures mean you’ll still want breathable fabrics, so pack a mix of lightweight outfits and rain-ready essentials.

Regardless of the season, swimwear and beach accessories are a must for Прэахсэйханук, as the sea remains warm and inviting year-round. A reusable water bottle can help you stay hydrated in the tropical heat, while a small backpack is handy for day trips, whether you’re exploring the city or relaxing by the coast.

Average monthly wind m/s
Average monthly wind
Month Wind speed
January 2.3
February 2.5
March 2.6
April 2.3
May 2.5
June 2.8
July 3.2
August 3
September 2.9
October 2.3
November 2.2
December 2.3

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