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Things to Do in Phnompenh in August
August weather, activities, events & insider tips
Low Season · Budget Friendly
August Weather in Phnompenh
Temperature, rainfall and humidity at a glance
90°F (32°C)
High Temp
76°F (24°C)
Low Temp
7.2 inches (183 mm)
Rainfall
70%
Humidity
Is August Right for You?
Weigh the advantages and considerations before booking
Advantages
- + Hotel rates drop 30-40% from peak season. The city's best properties suddenly become accessible without the usual splurge pricing. Book five-star rooms for three-star cash. August rewards the flexible traveler.
- + Riverfront restaurants along Sisowath Quay set up cooling mist systems and extend happy hours. You can score a riverside table at places that require reservations in dry season. Sip two-for-one cocktails as water jets fog the air. Arrive early. Seats fill fast.
- + The Tonle Sap river is at its highest, making the traditional boat ride to Silk Island's weaving villages a 20-minute journey instead of the usual 45-minute slog through sandbanks. Captains throttle higher. Passengers cheer the shortcut. Village looms ahead.
- + Local markets overflow with August specialties. You'll find vendors selling fresh lotus seeds, young coconuts, and the seasonal treat of kuy teav made with morning-caught river prawns. Slurp the sweet broth. Bargain hard. Eat twice.
Considerations
- − Afternoon thunderstorms hit with military precision around 3 PM, turning Russian Boulevard Street into an ankle-deep river within minutes. Plan indoor activities for 2:30-5:30 PM daily. Duck into cafés. Watch lightning crackle. Stay dry.
- − The humidity creates a sauna effect that makes walking more than 500 m (0.3 miles) uncomfortable. Tuk-tuk drivers know this and charge accordingly. Negotiate before you board. Carry small bills. Tip fairly.
- − Some riverside bars and restaurants close for 'renovations' (read: owners escape to the coast). The riverside strip gets noticeably quieter by month's end. Seek alternate rooftops. Drink elsewhere. Adapt quickly.
Year-Round Climate
How August compares to the rest of the year
| Month | High | Low | Rainfall |
|---|---|---|---|
| Jan | 31°C | 21°C | 0.5 inches (13 mm) |
| Feb | 33°C | 22°C | 0.3 inches (8 mm) |
| Mar | 34°C | 24°C | 1.4 inches (36 mm) |
| Apr | 35°C | 25°C | 3.1 inches (79 mm) |
| May | 34°C | 25°C | 4.7 inches (119 mm) |
| Jun | 33°C | 24°C | 5.7 inches (145 mm) |
| Jul | 32°C | 24°C | 6.4 inches (163 mm) |
| Aug | 32°C | 24°C | 7.2 inches (183 mm) |
| Sep | 32°C | 24°C | 10.7 inches (272 mm) |
| Oct | 31°C | 24°C | 9.8 inches (249 mm) |
| Nov | 31°C | 23°C | 4.7 inches (119 mm) |
| Dec | 30°C | 21°C | 1.3 inches (33 mm) |
Best Activities in August
Top things to do during your visit
Phnom Penh in August beats to the monsoon drum. The air is thick, warm, heavy with damp earth and tropical blossoms after a downpour. Streets glisten during the brief lull. Motorbikes hum through puddles. This is the wet season's heart, a time of growth and reflection. Afternoons throw down short, hard showers that cool the pavement. Mornings can be clear, bright, giving you a window before the clouds regroup. Locals shift easily, ducking under awnings with strong iced coffee, their routines set to the rain's rhythm. Against the drier, dustier months, August feels scrubbed clean. Colors pop: the riverfront trees' deep greens, the palace's golden spires flashing between showers. No major festivals run this month, so the pace turns inward, toward the city's raw history and the quiet crafts on its fringe.
Phnom Penh: The Killing Fields & Tuol Sleng Genocide Museum
culturalA sobering plunge into Cambodia's recent past. You will walk frangipani-shaded paths, white blossoms stark against the stories in the soil, while haunting audio testimonies drift across the fields. The museum, a former high school turned prison, feels oppressive and silent. Its classrooms now display photographs of those who passed through.
It is an essential, emotionally bruising encounter with the Khmer Rouge era, important for understanding today's Cambodia.
Insider tip: Arrive at the Killing Fields first thing to dodge the midday heat and the tour buses that roll in later.
This month: August's afternoon rains can turn the Killing Fields paths to mud. Wear sturdy, closed-toe shoes.
Phnom Penh: Silk Island Bike Tour / E-Bike or Tuk Tuk
adventureGives a green break from city traffic, ferrying you across the Tonle Sap River to Koh Dach. You will pedal dirt lanes walled by banana trees, hear wooden looms clack in weavers' workshops, and catch the cool river breeze on the crossing. The tour ties you to a living craft: you can touch raw silk threads and watch bright dyes simmer over charcoal fires.
This active outing reveals the calm, artisan village life that survives minutes from Phnom Penh's core.
Insider tip: Pick the e-bike if you are unused to the heat. It tames the island's trails in August's humidity.
This month: August cloaks the island in lush green, and a passing shower often brings sweet, cooling relief.
Phnom Penh: Royal Palace, S21, Killing Fields & More Tour
culturalStitches together the Royal Palace's grandeur with the stark weight of the Tuol Sleng Genocide Museum and the Killing Fields. You will see the glittering throne room and Emerald Buddha inside the palace walls, then stand before simple glass cases of prisoner portraits at S21, feeling the atmosphere swing. The day is a study in contrasts, from regal opulence to brutal evidence of tragedy.
It covers both pillars of Phnom Penh's identity in one efficient sweep: royal heritage and searing modern history.
Insider tip: Dress respectfully for the Royal Palace, knees and shoulders covered, and carry a light scarf you can flip on or off as you move between sites.
This month: The palace's silver-tiled floor and open courtyards blaze under August sun. Bring a hat and water.
Where to Stay in Phnompenh in August
Hand-picked hotels across price tiers for August travellers.
August Events & Festivals
What's happening during your visit
Late August (exact dates follow lunar calendar)
Pchum Ben Festival
Cambodia's 'Festival of the Dead' sees locals bringing rice offerings to temples at dawn. The Royal Palace's adjacent Wat Ounalom becomes a procession of white-clad families carrying elaborate packages for deceased ancestors. Photographers can capture authentic cultural moments without the staged feeling of tourist shows. Rise early. Shoot respectfully. Smile gently.
Packing Checklist
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Climate-specific gear, brand recommendations, and what to leave at home.
View Phnompenh Packing List →Essential Tips
Insider knowledge and common pitfalls to avoid
Insider Knowledge
The riverside promenade's evening aerobics classes start at 5:30 PM instead of 6 PM in August. Locals know the storm timing and exercise before the rain hits. Jump in. Sweat early. Dance freely.
Coffee shops along Street 240 offer 'rainy day discounts'; show up during afternoon storms for 20% off drinks as staff appreciate the company. Order twice. Chat lots. Stay dry.
Tuk-tuk drivers will quote double rates during storms. Walk 100 m (330 ft) away from tourist areas and flag down drivers heading your direction for normal pricing. Save cash. Walk little. Ride cheap.
The Russian Market's food court on the second floor has the city's best chicken rice. Vendors only cook 20 portions daily and usually sell out by 11 AM. Arrive hungry. Queue early. Eat fast.
Avoid These Mistakes
Trying to walk between attractions; August humidity makes distances feel tripled, and you'll arrive too exhausted to enjoy sites. Hire wheels. Arrive fresh. Explore fully.
Booking afternoon river cruises without checking weather - 3 PM departures get canceled 40% of the time due to storms
Skipping the National Museum because 'it's just another museum' - the courtyard's lotus pond is cooler than air-conditioned spaces and houses the world's finest Khmer sculpture collection
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