SeasonScore
Phnom Penh, Cambodia
Photo: Gustavo Jeronimo · CC BY 2.0

Cambodia

Phnom Penh in January

☀️ Dry season

Hot, a little humid and mostly dry.

🎒 Pack: light, breathable clothes & sunscreen · sunglasses & hat

Best months: Jan (8.7), Dec (8.6), Feb (8.2)

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Why January scores 8.7What goes into the score

How it works
🌡️ 32° / 22°C🌧️ 12 mm💧 dew pt 19°🍃 PM2.5 13
  • Weather comfort8.5
    • ✓Hot (32°C highs / 22°C lows)
    • !Humid (dew point 19.2°C)
    • ✓Mostly dry (~12 mm rain)
  • Air quality8.7
    • ✓Good (within WHO guideline) (PM2.5 ~13 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.0
    • ·Increased caution
Compare monthsPut January side by side with another month
JanDec
Score8.7 Excellent8.6 Excellent
Season☀️ Dry season☀️ Dry season
High / low32° / 22°31° / 22°
Rain12 mm32 mm
Humiditydew pt 19°dew pt 21°
PM2.513 µg/m³16 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Phnom Penh weather-station normals. Rainfall: Phnom Penh weather-station normals (national met service).

Holidays & crowdsJanuary 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • International New Year Day 1–3 Jan · 3 days off in a row

Other public holidays: Day of Victory over the Genocidal Regime (7 Jan)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore Phnom PenhEvents, sights, food & souvenirs

Check event dates locally

Cambodia's capital at the meeting of the Mekong and Tonlé Sap rivers, with royal and Buddhist landmarks, busy markets and sobering Khmer Rouge history sites.

Events in January

No major events on our calendar for January.

Coming up later

Khmer New YearDate variesUsually 13 or 14 to 16 April

Three days of New Year celebrations with temple visits and games.

Why go: Many residents leave the city and businesses close.

Where: Nationwide

Pchum BenDate variesKhmer lunar calendar — usually September or October

A 15-day festival honouring ancestors with offerings at pagodas.

Why go: The last three days are public holidays and the city empties.

Where: Pagodas nationwide

Water Festival (Bon Om Touk)Date variesLunar calendar — usually late October or November

Dragon boat races and illuminated floats marking the reversal of the Tonlé Sap's flow.

Why go: The riverside is extremely crowded.

Where: Sisowath Quay and the Tonlé Sap river

Plan this tripTickets, data and transfers for Phnom Penh

Airport transfer Kiwitaxi

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