Temperatures in January
It's hot in January in Siem Reap with an average temperature of 32°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 20°C and 24°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Siem Reap 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 Siem Reap with hot temperatures, averaging around 32°C during the day and nights close to 23°C. There’s little chance of precipitation. The weather is 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 22°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of January
By the end of January, the average daytime temperature in Siem Reap will be around 32°C, with nights close to 22°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Precipitation in January
In January, there is an average of 10 mm of precipitation, spread over 3 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The precipitation chance averages 10% per day this month. There are only a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January for Siem Reap. 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.
Siem Reap in January |
London | ||
|---|---|---|---|
 Average Temperature |
32°C | 8°C | |
 High Temp |
32°C | 9°C | |
| Low Temp |
30°C | 6°C | |
 Total Precipitation |
10 mm | 58 mm | |
| Rainy Days |
3 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 Siem Reap?
January is a fantastic month to be in Siem Reap for sunny weather. You’ll get high temperatures and little chance of rain this month.
Temperature records for Siem Reap in January
With 39°C, Siem Reap hit the highest temperature in the last 10 years in January 2015. The lowest daytime temperature in this month was 24°C in 2021. The extreme night temperatures ranged from a low of 14°C to a high of 27°C.
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Daily Temperature in January in Siem Reap
This chart shows the average daily temperatures, both day and night, for each day in January in Siem Reap, 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 Siem Reap
The chart below shows the average daily precipitation in January for Siem Reap, 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 3 days of rain in Siem Reap.
Daily UV Index in January in Siem Reap
This chart shows the average daily UV index in January in Siem Reap, 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 Siem Reap Over the Years
This chart shows the average temperature in January in Siem Reap, measured in degrees Celsius, over the past years.
Total Precipitation in January in Siem Reap Over the Years
This chart shows the average precipitation in January in Siem Reap, 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 Siem Reap
Click on a specific day in January for detailed info on the typical weather on that day in Siem Reap. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Siem Reap
The weather in January in Siem Reap is rated 0 out of 5 stars by 1 visitor. Have you been to Siem Reap? Share your weather experience to help other visitors.
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Average Weather in Siem Reap by Month
Click on a month below to see detailed weather info for Siem Reap. 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 Siem Reap for all months at once
