Best Time to Visit Phnom Penh
Phnom Penh is best visited All year, when skies are clearer and temperatures are warm without being extreme.
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Once you know the best time to go, find out exactly what to pack for Phnom Penh at 247PackingList — climate-matched checklists for every destination. For country facts like currency, language and plug type, see our Cambodia country guide at 247CountryInfo. Some travellers fund a longer stay in Phnom Penh by teaching English along the way — a TEFL certificate is usually all it takes.
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Average daily high and low temperatures (°C/°F). Bars show the daily range each month.
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| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January Best | 30.9°C | 22.6°C | 22.2mm | 10.3h | 4 | 10/10 |
| February Best | 32.4°C | 23.4°C | 26.1mm | 10.9h | 3 | 10/10 |
| March Best | 34.2°C | 24.9°C | 39.5mm | 11.4h | 5 | 10/10 |
| April Best | 33.6°C | 25.5°C | 121.7mm | 10.7h | 18 | 9/10 |
| May Best | 33.3°C | 26.2°C | 190.1mm | 10.0h | 24 | 9/10 |
| June Best | 32.9°C | 25.8°C | 167.4mm | 9.5h | 23 | 9/10 |
| July Best | 31.8°C | 25.3°C | 228.8mm | 8.4h | 26 | 8/10 |
| August Best | 32.3°C | 25.3°C | 250.5mm | 8.7h | 24 | 8/10 |
| September Best | 30.8°C | 24.9°C | 338.9mm | 7.6h | 29 | 8/10 |
| October Best | 30.2°C | 24.3°C | 382.8mm | 8.0h | 25 | 8/10 |
| November Best | 30.3°C | 24.0°C | 224.5mm | 9.7h | 18 | 8/10 |
| December Best | 30.2°C | 23.0°C | 33.6mm | 10.2h | 6 | 10/10 |
Phnom Penh Climate
Phnom Penh has a tropical climate — hot and humid year-round with a distinct wet season. Check the annual climate overview for Phnom Penh for the full year picture, or read the dedicated Phnom Penh rainy season guide.
Counting down to your trip? Use our holiday countdown timer at LeftToTime to track the days. Owners often keep a Phnom Penh travel guide to hand for planning on the go. Check clothing sizes in Cambodia at 247Sizing before you shop.
Frequently Asked Questions
What is the best month to visit Phnom Penh?
The best month to visit Phnom Penh is January, when temperatures average 30.9°C and conditions score 10/10 for comfort.
What is the weather like in Phnom Penh in January?
In 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.
When is rainy season in Phnom Penh?
Rainy season in Phnom Penh runs April, May, June, July, August, September, October, November. Expect heavy downpours and high humidity. Full rainy season guide →
Is Phnom Penh good to visit in winter?
Yes — winter (December, January, February) averages 30.9°C highs with a 10/10 comfort rating, making it a solid time to visit.
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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.