Temperatures 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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Phnom Penh in January. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of January
The month of January starts in Phnom Penh with hot temperatures, averaging around 32°C during the day and nights close to 25°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-January
By mid-January, the average daytime temperature stays the same at 32°C, with nights close to 24°C. Not much precipitation expected during this period. It’s mostly dry with sunshine. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of January
By the end of January, the average daytime temperature in Phnom Penh will be around 33°C, with nights close to 24°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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Precipitation in January
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.
The precipitation chance averages 14% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January for Phnom Penh. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Phnom Penh in January |
London | ||
|---|---|---|---|
 Average Temperature |
32°C | 8°C | |
 High Temp |
33°C | 9°C | |
| Low Temp |
31°C | 6°C | |
 Total Precipitation |
24 mm | 58 mm | |
| Rainy Days |
4 days | 9 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 great month to be in Phnom Penh for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Phnom Penh in January
With 39°C, Phnom Penh hit the highest temperature in the last 10 years in January 2015. The lowest daytime temperature in this month was 25°C in 2021. The extreme night temperatures ranged from a low of 15°C to a high of 27°C.
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Daily Temperature in January in Phnom Penh
This chart shows the average daily temperatures, both day and night, for each day in January in Phnom Penh, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in January in Phnom Penh
The chart below shows the average daily precipitation in January for Phnom Penh, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for January, you can expect around 4 days of rain 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 years.
Total Precipitation in January in Phnom Penh Over the Years
This chart shows the average precipitation in January in Phnom Penh, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in January for Phnom Penh
Click on a specific day in January for detailed info on the typical 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?
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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
