SeasonScore
Siem Reap, Cambodia
Photo: N 3 14 15 92 65 · CC BY-SA 4.0

Cambodia

Siem Reap in January

☀️ Dry season

Hot, a little humid and mostly dry.

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

Best months: Dec (9.0), Jan (8.7), Nov (8.5)

‹
Every month at a glanceTap a month to open it
›

Why January scores 8.7What goes into the score

How it works
🌡️ 32° / 20°C🌧️ 4 mm💧 dew pt 17°🍃 PM2.5 18
  • Weather comfort8.8
    • ✓Hot (32°C highs / 20°C lows)
    • ✓Humid (dew point 17.4°C)
    • ✓Mostly dry (~4 mm rain)
  • Air quality8.0
    • ✓Moderate (PM2.5 ~18 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 Excellent9.0 Excellent
Season☀️ Dry season☀️ Dry season
High / low32° / 20°31° / 21°
Rain4 mm7 mm
Humiditydew pt 17°dew pt 19°
PM2.518 µg/m³9 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Siem Reap weather-station normals. Rainfall: Siem Reap 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 Siem ReapEvents, sights, food & souvenirs

Check event dates locally

Cambodian town that serves as the base for visiting the temples of Angkor, the vast former capital of the Khmer Empire.

Events in January

No major events on our calendar for January.

Coming up later

Equinox sunrise at Angkor WatDate variesAround the spring and autumn equinoxes, about 20–21 March and 22–23 September

The sun rises directly over the central tower when seen from the western entrance.

Why go: Very crowded; arrive well before dawn.

Where: Angkor Wat

Khmer New YearDate variesUsually 13 or 14 to 16 April

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

Why go: Temples are busy with Cambodian visitors.

Where: Nationwide and around the Angkor temples

Pchum BenDate variesLunar calendar — usually September or October

A 15-day festival when Cambodians make offerings to the spirits of ancestors.

Why go: The last days are public holidays; many people travel home.

Where: Pagodas

Plan this tripTickets, data and transfers for Siem Reap

Airport transfer Kiwitaxi

Partner links: we may earn a small commission at no extra cost to you. It never affects scores.