Weather in Phnom Penh in January
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn January, Phnom Penh sees average highs of 30.9°C (87.6°F) and lows of 22.6°C. Conditions are hot and mostly dry with only occasional showers, with roughly 10.3 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 January
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 January
- 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 January a good time to visit Phnom Penh?
January rates 10/10 for visiting Phnom Penh — excellent time to visit. Expect average highs of 30.9°C, 22.2mm of rain across the month and about 10.3 hours of daily sunshine.
What is the temperature in Phnom Penh in January?
In January, Phnom Penh has average highs of 30.9°C (87.6°F) and average lows of 22.6°C (72.7°F).
Does it rain in Phnom Penh in January?
Not much. January averages just 22.2mm of rain in Phnom Penh — the odd shower is possible but most days stay dry.
What should I wear in Phnom Penh in January?
For Phnom Penh in January (30.9°C highs / 22.6°C lows), pack lightweight, breathable clothing plus high spf sunscreen, sunglasses, sun hat.
More essentials for Phnom Penh in January
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.