Weather in Phnom Penh in March
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youMarch in Phnom Penh is very hot, with average highs of 34.2°C and lows of 24.9°C. It is mostly dry with only occasional showers, with roughly 11.4 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. 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 March
Search flights to Phnom Penh
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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 March
- Lightweight, breathable clothing
- High SPF sunscreen
- Sunglasses
- Sun hat
- Reusable water bottle
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 March a good time to visit Phnom Penh?
March rates 10/10 for visiting Phnom Penh — excellent time to visit. Expect average highs of 34.2°C, 39.5mm of rain across the month and about 11.4 hours of daily sunshine.
What is the temperature in Phnom Penh in March?
In March, Phnom Penh has average highs of 34.2°C (93.6°F) and average lows of 24.9°C (76.8°F).
Does it rain in Phnom Penh in March?
Not much. March averages just 39.5mm of rain in Phnom Penh — the odd shower is possible but most days stay dry.
What should I wear in Phnom Penh in March?
For Phnom Penh in March (34.2°C highs / 24.9°C lows), pack lightweight, breathable clothing plus high spf sunscreen, sunglasses, sun hat.
More essentials for Phnom Penh in March
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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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.