CambodiaAverage weather for Phnom Penh in January
It's hot in January in Phnom Penh with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 23°C and 25°C.
Start of January
The month of January starts in Phnom Penh with hot temps, averaging around 32°C during the day and nights around 25°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid January
By mid-January, daytime temps stay steady at around 32°C, with nights around 24°C. Not much precipitation expected during this period. It’s mostly dry and sunny. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of January
By the end of January, the average daytime temperature in Phnom Penh is around 33°C, while nighttime temps are about 24°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In January, there is an average of 24 mm of precipitation, spread over 4 days. The wind speed is around 4 Bft, mostly coming from the East.
Phnom Penh in January |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 5°C | |
 Max. temperature |
33°C | 11°C | |
| Min. temperature |
31°C | -5°C | |
 Total precipitation |
24 mm | 97 mm | |
| Rainy days |
4 days | 12 days | |
December
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is January a good time to visit Phnom Penh?
January is a good month to be in Phnom Penh for sunny weather. You’ll have high temperatures and not too much rain.
Temperature records
With 39°C in 2015, Phnom Penh reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 25°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 27°C.
Check out the climate of Phnom Penh for all months and discover the best travel time
Daily Temperature in January in Phnom Penh
This chart shows the average daily high and low temperatures in January for Phnom Penh, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in January in Phnom Penh
The chart below shows the average daily precipitation in January for Phnom Penh, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 4 days of precipitation in Phnom Penh.
Daily UV index in January in Phnom Penh
This chart shows the average daily UV index in January in Phnom Penh, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in January in Phnom Penh over the years
This chart shows the average temperature in January in Phnom Penh, measured in degrees Celsius, over the past few years.
Total precipitation in January in Phnom Penh over the years
This chart shows the average precipitation in January in Phnom Penh, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in January for Phnom Penh
Click on any day in January to get detailed info about the usual weather on that day in Phnom Penh. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Phnom Penh
Have you been to Phnom Penh in January?
Share your weather experience in January in Phnom Penh.
Average weather in Phnom Penh by month
Click on a month below to see detailed weather info for Phnom Penh. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Phnom Penh for all months at once
