Siem Reap Province Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Siem Reap Province, Cambodia in January.

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Siem Reap Phumĭ Trás Treăng Phumĭ Ta Rós Phumĭ Chŭb Chănt Sâr

Thinking about venturing to Siem Reap Province, Cambodia this January and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Siem Reap Province in January

Siem Reap Province, Cambodia is a region in Cambodia. January in Siem Reap Province generally has very warm temperatures, with low precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 33°C (91°F) and nighttime temperatures around 22°C (72°F) in Siem Reap. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

For a closer look at conditions across Siem Reap Province, Cambodia, refer to the map below.

Precipitation

January is a dry month with an average rainfall of around 9.8 mm (0.4 in) in Siem Reap. Going by our weather data, this month in Siem Reap usually has the least rain, making it the driest month of the year.

Explore Siem Reap Province by month

Pick a month to see the average temperature, rainfall and sunshine in Siem Reap Province — and find the best time to visit. (based on Siem Reap)

January33°C (91°F) February34°C (93°F) March36°C (97°F) April36°C (97°F) May35°C (95°F) June34°C (93°F) This monthJuly33°C (91°F) August33°C (91°F) September33°C (91°F) October32°C (90°F) November32°C (90°F) December32°C (90°F)
Best Time to Visit Siem Reap Province →

Best Places to Visit in Siem Reap Province in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Siem Reap Province.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Siem Reap Province

What is the weather like in January for some of the most popular destinations in Siem Reap Province, Cambodia?

Temperature range in Siem Reap Province (January)

Precipitation variation in Siem Reap Province (January)

Siem Reap

In January Siem Reap generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 22°C (72°F) and low monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
32°C (90°F)
33°C (91°F)
34°C (93°F)
Min temperature
22°C (72°F)
22°C (72°F)
24°C (75°F)
Monthly rainfall
17 mm (0.7 in)
9.8 mm (0.4 in)
18 mm (0.7 in)
Monthly rainy days
2 days
a single day
2 days
Weather conditions
perfect
perfect
pleasant
Climate in Siem Reap →

Phumĭ Trás Treăng

In January Phumĭ Trás Treăng generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 22°C (72°F) and low monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
32°C (90°F)
33°C (91°F)
35°C (95°F)
Min temperature
22°C (72°F)
22°C (72°F)
24°C (75°F)
Monthly rainfall
17 mm (0.7 in)
9.6 mm (0.4 in)
16 mm (0.6 in)
Monthly rainy days
2 days
a single day
2 days
Weather conditions
perfect
perfect
tolerable
Climate in Phumĭ Trás Treăng →

Phumĭ Ta Rós

In January Phumĭ Ta Rós generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 22°C (72°F) and low monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
32°C (90°F)
33°C (91°F)
35°C (95°F)
Min temperature
22°C (72°F)
22°C (72°F)
24°C (75°F)
Monthly rainfall
17 mm (0.7 in)
9.5 mm (0.4 in)
16 mm (0.6 in)
Monthly rainy days
2 days
a single day
2 days
Weather conditions
perfect
perfect
tolerable
Climate in Phumĭ Ta Rós →

Phumĭ Chŭb Chănt Sâr

In January Phumĭ Chŭb Chănt Sâr generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 22°C (72°F) and low monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
32°C (90°F)
33°C (91°F)
35°C (95°F)
Min temperature
22°C (72°F)
22°C (72°F)
24°C (75°F)
Monthly rainfall
17 mm (0.7 in)
9.7 mm (0.4 in)
19 mm (0.7 in)
Monthly rainy days
2 days
a single day
2 days
Weather conditions
perfect
perfect
tolerable
Climate in Phumĭ Chŭb Chănt Sâr →

Is your destination not in the list? Have a look at all destinations in Siem Reap Province, in Cambodia.

In our records: Cambodia January extremes

Notable January records observed across cities in Cambodia in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest January daytime high in Cambodia was 19°C (66°F) in Phnom Penh on January 13, 2003.

Popular cities in January

Day & night temperatures, rainfall and average weather in Siem Reap Province in January.

City Weather Day temp Night temp Rainfall
Siem Reap 33°C (91°F) 22°C (72°F) 9.8 mm (0.4 in)
Phumĭ Trás Treăng 33°C (91°F) 22°C (72°F) 9.6 mm (0.4 in)
Phumĭ Ta Rós 33°C (91°F) 22°C (72°F) 9.5 mm (0.4 in)
Phumĭ Chŭb Chănt Sâr 33°C (91°F) 22°C (72°F) 9.7 mm (0.4 in)

Siem Reap Province weather in January: frequently asked questions

What is the weather like in Siem Reap Province, Cambodia in January?

January in Siem Reap Province, Cambodia brings tolerable weather. In Siem Reap, daytime temperatures are typically around 33°C (91°F) and nighttime lows hover near 22°C (72°F).

What is the average temperature in Siem Reap Province, Cambodia in January?

In Siem Reap, the average daytime high in January is 33°C (91°F), while nighttime temperatures drop to around 22°C (72°F).

Does Siem Reap Province, Cambodia get a lot of rain in January?

Not particularly. Siem Reap averages just 9.8 mm (0.4 in) of rain in January, making it a mostly dry month for Siem Reap Province, Cambodia.

Is January a Good Time to Visit Siem Reap Province, Cambodia?

Given the typically perfect weather conditions in Siem Reap, January might be a good time to visit Siem Reap Province, Cambodia. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Siem Reap Province, Cambodia is in December with generally pleasant weather in Siem Reap. On the other hand, the weather in February, March, April, May, June, July, August, September and October tend to be poor.

Interested in more climate information?

We have much more information about the climate in Siem Reap Province.

Weather and climate has detailed information for every country in the world. Are you going to Cambodia? Get detailed historical weather averages for many cities in Cambodia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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