Weather in Phnom Penh in August
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youAugust in Phnom Penh is hot, with average highs of 32.3°C and lows of 25.3°C. It is extremely wet, with heavy downpours most days, with roughly 8.7 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit Phnom Penh — every month compared. Once you know when to go, find your Phnom Penh packing list at 247PackingList.
Get ready for Phnom Penh in August
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Search Flights →Lightweight travel clothing
Lightweight, breathable clothing and a compact travel umbrella are essential in this climate.
Check Price →What to pack for Phnom Penh in August
- Lightweight, breathable clothing
- High SPF sunscreen
- Sunglasses
- Sun hat
- Reusable water bottle
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Phnom Penh
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 30.9°C | 22.2mm | 10/10 |
| February | 32.4°C | 26.1mm | 10/10 |
| March | 34.2°C | 39.5mm | 10/10 |
| April | 33.6°C | 121.7mm | 9/10 |
| May | 33.3°C | 190.1mm | 9/10 |
| June | 32.9°C | 167.4mm | 9/10 |
| July | 31.8°C | 228.8mm | 8/10 |
| August | 32.3°C | 250.5mm | 8/10 |
| September | 30.8°C | 338.9mm | 8/10 |
| October | 30.2°C | 382.8mm | 8/10 |
| November | 30.3°C | 224.5mm | 8/10 |
| December | 30.2°C | 33.6mm | 10/10 |
Full month-by-month guide: best time to visit Phnom Penh →
For facts about Cambodia — currency, language and dialling code — see our Cambodia country guide at 247CountryInfo. Travellers also find it useful to keep a Phnom Penh travel guide to hand. Check clothing sizes in Cambodia before you shop.
Frequently Asked Questions
Is August a good time to visit Phnom Penh?
August rates 8/10 for visiting Phnom Penh — good time to visit. Expect average highs of 32.3°C, 250.5mm of rain across the month and about 8.7 hours of daily sunshine.
What is the temperature in Phnom Penh in August?
In August, Phnom Penh has average highs of 32.3°C (90.1°F) and average lows of 25.3°C (77.5°F).
Does it rain in Phnom Penh in August?
Yes — August is one of the wetter months in Phnom Penh, averaging 250.5mm of rain over roughly 24 rainy days. Pack for heavy showers.
What should I wear in Phnom Penh in August?
For Phnom Penh in August (32.3°C highs / 25.3°C lows), pack lightweight, breathable clothing plus high spf sunscreen, sunglasses, sun hat.
More essentials for Phnom Penh in August
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.