Cambodia - weather & travel conditions in August

Planning a trip to Cambodia in August? While sudden showers are expected, this is actually the season when nature is at its greenest, the crowds are fewer, and prices are more budget-friendly. August weather in Cambodia offers a different perspective — raw, peaceful, and surprisingly inspiring.

What is Cambodia’s weather like in August?

In August, Northern Cambodia - including Siem Reap and the area around Angkor Wat - is blanketed in the lush greenery of the rainy season. Temperatures range from 25–31°C with high humidity levels around 85 - 90%, creating a damp yet pleasant atmosphere. Rain usually falls in the afternoon, leaving mornings perfect for sightseeing. The ancient temples, shrouded in mist and rain, take on an even more mystical charm - a truly unforgettable experience you won’t want to miss!

Central Cambodia, including the capital Phnom Penh, often sees brief but sudden showers in August. Temperatures range from 26–32°C with fairly high humidity, creating a warm and vibrant atmosphere. After the rain, the cooler, fresher air makes it a great time to explore architectural landmarks, local markets, and street food stalls. Don’t let the rain stop you - the city remains lively, colorful, and full of energy!

August in Southern Cambodia including Sihanoukville, Kampot, and Koh Rong Island is a mix of tropical rains and bursts of golden sunshine. Temperatures range from 27–30°C, with high humidity that makes the air damp but not overly hot. While you might encounter some rain, you can still enjoy quiet beaches, calm waves, and the romantic scenery that follows a downpour. It’s a perfect time for nature lovers and those looking to escape the tourist crowds.

Best places to visit with Cambodia weather in August

• Siem Reap & Angkor Wat: In August, Siem Reap takes on a mysterious charm after the early monsoon rains. With temperatures ranging from 25 - 31°C, the weather is humid yet cool - perfect for exploring ancient temples without the scorching sun. Rain enhances the moss-covered ruins and greenery around Angkor Wat, creating a cinematic, almost otherworldly atmosphere. With fewer tourists than in peak season, it’s a rare chance to enjoy peace and quiet while connecting deeply with this cultural wonder.

• Phnom Penh: In August, Phnom Penh sees temperatures around 26 - 32°C with occasional short afternoon showers. Mornings and early afternoons are usually dry and ideal for sightseeing. Highlights like the Royal Palace, the Killing Fields Museum, and the bustling Central Market are great for discovering Cambodia’s rich history and culture in cooler, more comfortable conditions. After the rain, the capital feels softer, calmer, and even more charming - perfect for a mix of urban exploration and local immersion.\

• Kampot: August is a wonderful time to experience the tranquil charm of Kampot, a peaceful riverside town. With temperatures between 27 - 30°C and light scattered showers, the weather remains fresh and enjoyable. It’s ideal for cycling through the old town, kayaking along the Kampot River, or exploring misty Bokor Hill. The clean air and lush landscapes create a romantic setting for nature lovers and those who prefer a slower, more intimate travel experience.

• Koh Rong: Despite being the rainy season, Koh Rong Island still enjoys stretches of sunshine and calm seas. Temperatures hover around 28 - 30°C, and the quieter waves make it perfect for swimming, snorkeling, or simply relaxing on soft white beaches. Rain adds a dreamy feel to the scenery, and with fewer tourists around, you can enjoy peaceful moments in a more private atmosphere. It’s a great choice for travelers seeking both adventure and relaxation.

• Kratie: August is the ideal time to visit Kratie, home to the rare Irrawaddy dolphins. The weather is mild, around 26 - 30°C, with occasional light rain that doesn’t hinder boat trips on the Mekong River. As water levels rise, dolphin-spotting becomes easier, and the riverside views are more serene than ever. This quiet countryside escape offers a unique and gentle experience - perfect for those who love wildlife and want to explore Cambodia’s more tranquil side.

Top festivals during Cambodia weather in August

August in Cambodia may not be packed with major festivals, but it's a special time to witness traditional religious practices at local temples. On full moon days, Khmer people often hold offerings, chant prayers, and take part in peaceful ceremonies to wish for health and harmony. It’s a beautiful opportunity for visitors to experience the country’s spiritual life and strong sense of community. In the gentle rain and the echo of sacred chants, Cambodia reveals a side that feels both ancient and unexpectedly intimate.

Alongside traditional ceremonies, August is also a vibrant time for modern cultural and artistic events in cities like Phnom Penh and Siem Reap. Music festivals, street art fairs, and creative exhibitions draw in crowds of local youth and international visitors alike. The lively atmosphere, bold colors, and cultural fusion give you a glimpse into a youthful, energetic Cambodia. It’s a fresh, exciting side of the temple-filled nation - one you definitely don’t want to miss!

Travel tips for Cambodia weather in August

• Always carry a light raincoat or compact umbrella: August is the rainy season in Cambodia, with sudden showers arriving quickly. A lightweight raincoat can be your best friend, helping you continue your journey without interruptions.

• Plan your sightseeing in the morning: Mornings are usually drier and more pleasant, making them ideal for exploring temples, wandering through local markets, or joining outdoor tours before the afternoon rains roll in.

• Wear waterproof sandals or trekking shoes: Streets and temple paths can get slippery or slightly flooded after rain. Waterproof footwear will keep you comfortable and safe while navigating these areas.

• Don’t miss the rainy season magic at Angkor Wat: Rain brings a fresh green glow to the landscape, adding a mystical touch to the ancient temples. With fewer tourists around, it’s the perfect time for capturing stunning, atmospheric photos.

• Stay at a riverside homestay or resort: August is the high-water season, making it a great time to relax by the Mekong, Kampot River, or Tonlé Sap. Watching the rain from your porch and listening to the flowing water is a peaceful, unforgettable experience.

• Take advantage of low-season prices: This is Cambodia’s off-peak travel season, so flights, hotels, and tours are often more affordable. You can enjoy high-quality services at better rates than during the busy months.

• Immerse yourself in local life: August brings a quieter, more relaxed Cambodia. Take time to chat with locals, try traditional dishes, and soak in the slower pace of life - a truly authentic experience of the country.

August in Cambodia isn’t just about the weather, it's the perfect time to experience the country’s raw, romantic, and peaceful beauty. If you're looking for a journey that’s less crowded and more soulful, this is your moment. Don’t hesitate — let rainy season Cambodia lead you to unforgettable memories.

Our tours you may like:

• Marvelous Vietnam, Laos, Cambodia & Thailand
• Must-sees of Cambodia Laos Vietnam - 19 days itinerary
• Highlights of Thailand, Laos, Vietnam & Cambodia

***Travel Authentic Asia Company is your best choice for discovering the beauty of Southeast Asia. Our experienced and knowledgeable travel advisors are committed to helping you create a tailor-made tour and extraordinary experiences in this majestic region.

If you're looking for an authentic cultural experience, do not hesitate to contact Travel Authentic Asia to choose a Vietnam tour, Southeast Asia tour package or to customize your own style tour to South East Asia.