Weather in Сием-Реап by month: what to expect

The climate in Сием-Реап is tropical, with two distinct seasons shaping the rhythm of the year. From November to early May, the city enjoys dry weather, offering warm days and cooler nights. This period is ideal for exploring temples and outdoor activities without frequent rain interruptions.

Starting in May, the rainy season arrives in Сием-Реап, bringing higher humidity and regular downpours. While showers are often short-lived, they can be intense, especially in September and October. Despite the rain, the landscape becomes lush and vibrant, and crowds at popular sites thin out.

Temperatures in Сием-Реап remain consistently warm year-round, rarely dropping below +21 °C even at night. The hottest months, March and April, can feel particularly intense, with daytime highs reaching +35 °C, so planning midday breaks is wise.

In Сием-Реап, temperatures fluctuate gently across the year, with daytime averages hovering between +28 °C and +32 °C. The coolest months, December and January, offer daytime highs around +31 °C and nights that dip to a comfortable +21 °C, making them pleasant for sightseeing.

The heat builds up as the dry season progresses, peaking in April with daytime temperatures often exceeding +35 °C. Evenings bring little relief, staying warm around +26 °C. Travelers visiting Сием-Реап during this time may prefer early morning or late afternoon excursions to avoid the midday sun.

With the arrival of the rainy season in May, temperatures ease slightly, settling around +29 °C to +30 °C during the day. Nights remain warm, typically around +25 °C, and the increased humidity can make the air feel heavier, though the rain provides occasional respite from the heat.

Rainfall in Сием-Реап is highly seasonal, with the dry months from November to April seeing minimal precipitation. January and February are the driest, with just a few millimeters of rain, making them popular times for travel.

The rainy season in Сием-Реап begins in May, with rainfall increasing sharply to over 170 mm. Showers are frequent but often brief, occurring in the late afternoon or evening. September is the wettest month, with nearly 270 mm of rain, which can affect road conditions and outdoor plans.

By November, the rains in Сием-Реап taper off, and the landscape gradually dries out. While occasional showers may still occur, they are far less intense than in the peak of the rainy season. This transition period offers a balance of fewer crowds and improving weather conditions.

For a trip to Сием-Реап during the dry season, lightweight, breathable clothing is essential. A wide-brimmed hat, sunglasses, and high-SPF sunscreen will help protect against the strong sun, especially in March and April when temperatures peak. Comfortable walking shoes are a must for exploring temples and uneven terrain.

If visiting Сием-Реап in the rainy season, pack a compact umbrella or a light rain jacket to stay dry during sudden downpours. Quick-drying clothes and waterproof footwear will make navigating wet conditions easier. A small towel or moisture-wicking fabrics can also help manage humidity.

Regardless of the season, a reusable water bottle is useful in Сием-Реап to stay hydrated in the warm climate. For evenings, a light shawl or long-sleeve shirt may be needed, as temperatures can drop slightly after sunset, particularly in December and January.