Phnom Penh weather in January
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Phnom Penh January weather at a glance
In January, Phnom Penh averages 26.5°C, with typical highs of 31.3°C and lows of 22.3°C. The historical average is 0 wet days and 65% humidity.
Phnom Penh January temperature & humidity
Phnom Penh January rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Phnom Penh in January
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 31.3°C
- Morning & eveningLight layer for air-conditioned rooms · average low 22.3°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Phnom Penh January sunrise & sunset times
2026 January · Local time (Asia/Phnom_Penh)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-01-01 | 06:20 | 17:48 | 11h 28m |
| 2026-01-15 | 06:24 | 17:55 | 11h 31m |
| 2026-01-31 | 06:25 | 18:03 | 11h 38m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Phnom Penh travel updates
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Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Phnom Penh city map
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Phnom Penh rainy season & dry season
Is January wet or dry?
The 2024–2025 average for January is 0 wet days.
2024–2025 wet-day averages, not long-term season boundaries. Wet days do not mean all-day rain.
Packing for rainy and dry periods
For rainy periods, bring a light rain jacket, a waterproof pouch and quick-dry clothes. In drier months, pack sunscreen and a hat, plus a compact umbrella for showers. For beach trips, check the boat operator’s weather and cancellation notices.
Phnom Penh travel essentials
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Best months to visit Phnom Penh
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
January weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Phnom Penh weather like in January?
In January, Phnom Penh averages 26.5°C, with typical highs of 31.3°C and lows of 22.3°C. The historical average is 0 wet days and 65% humidity. Our weather-comfort rating for this month is excellent.
Does it rain a lot in Phnom Penh in January?
There are about 0 wet days in January. A compact umbrella is still useful.
What should I wear in Phnom Penh in January?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle.
What are the best months to visit Phnom Penh?
Recent weather data rates January, February, December among the more comfortable months.
Where can I check Phnom Penh weather in January in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
Is January rainy or dry season in Phnom Penh?
The 2024–2025 average for January is 0 wet days.
Which months have fewer rainy days in Phnom Penh?
In our 2024–2025 data, January, February, March have the fewest wet days. These are recent observations, not long-term climate normals. Compare temperatures and your planned activities as well.
What time are sunrise and sunset in Phnom Penh in January?
On 2026-01-15, calculated sunrise is 06:24 and sunset is 17:55 in local time (Asia/Phnom_Penh). Times vary by date and terrain.
Phnom Penh weather by month
More Southeast Asia destinations in January
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations