Siem Reap Province Weather in December

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

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

Considering a trip to Siem Reap Province, Cambodia this December and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Siem Reap Province in December

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

Temperatures

You can expect very warm maximum daytime temperatures of around 32°C (90°F) and nighttime temperatures around 22°C (72°F) in Siem Reap. During this period, Siem Reap experiences its coolest temperatures annually.

For specific regional insights in Siem Reap Province, Cambodia, refer to the map provided below.

Precipitation

December is a dry month with an average rainfall of around 17 mm (0.7 in) in Siem Reap.

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 December

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 December for some of the most popular destinations in Siem Reap Province, Cambodia?

Temperature range in Siem Reap Province (December)

Precipitation variation in Siem Reap Province (December)

Siem Reap

In December Siem Reap generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 22°C (72°F) and low monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
32°C (90°F)
32°C (90°F)
33°C (91°F)
Min temperature
24°C (75°F)
22°C (72°F)
22°C (72°F)
Monthly rainfall
66 mm (2.6 in)
17 mm (0.7 in)
9.8 mm (0.4 in)
Monthly rainy days
6 days
2 days
a single day
Weather conditions
pleasant
perfect
perfect
Climate in Siem Reap →

Phumĭ Trás Treăng

In December Phumĭ Trás Treăng generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 22°C (72°F) and low monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
32°C (90°F)
32°C (90°F)
33°C (91°F)
Min temperature
24°C (75°F)
22°C (72°F)
22°C (72°F)
Monthly rainfall
65 mm (2.6 in)
17 mm (0.7 in)
9.6 mm (0.4 in)
Monthly rainy days
6 days
2 days
a single day
Weather conditions
pleasant
perfect
perfect
Climate in Phumĭ Trás Treăng →

Phumĭ Ta Rós

In December Phumĭ Ta Rós generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 22°C (72°F) and low monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
32°C (90°F)
32°C (90°F)
33°C (91°F)
Min temperature
24°C (75°F)
22°C (72°F)
22°C (72°F)
Monthly rainfall
65 mm (2.6 in)
17 mm (0.7 in)
9.5 mm (0.4 in)
Monthly rainy days
6 days
2 days
a single day
Weather conditions
pleasant
perfect
perfect
Climate in Phumĭ Ta Rós →

Phumĭ Chŭb Chănt Sâr

In December Phumĭ Chŭb Chănt Sâr generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 22°C (72°F) and low monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
32°C (90°F)
32°C (90°F)
33°C (91°F)
Min temperature
24°C (75°F)
22°C (72°F)
22°C (72°F)
Monthly rainfall
67 mm (2.6 in)
17 mm (0.7 in)
9.7 mm (0.4 in)
Monthly rainy days
6 days
2 days
a single day
Weather conditions
pleasant
perfect
perfect
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 December extremes

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

  • Based on our data, the coldest December night in Cambodia dropped to 12°C (54°F) in Banteay Chhmar on December 26, 1999.

Popular cities in December

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

City Weather Day temp Night temp Rainfall
Siem Reap 32°C (90°F) 22°C (72°F) 17 mm (0.7 in)
Phumĭ Trás Treăng 32°C (90°F) 22°C (72°F) 17 mm (0.7 in)
Phumĭ Ta Rós 32°C (90°F) 22°C (72°F) 17 mm (0.7 in)
Phumĭ Chŭb Chănt Sâr 32°C (90°F) 22°C (72°F) 17 mm (0.7 in)

Siem Reap Province weather in December: frequently asked questions

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

December in Siem Reap Province, Cambodia brings pleasant weather. In Siem Reap, daytime temperatures are typically around 32°C (90°F) and nighttime lows hover near 22°C (72°F).

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

In Siem Reap, the average daytime high in December is 32°C (90°F), while nighttime temperatures drop to around 22°C (72°F).

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

Rain is generally moderate to light in Siem Reap Province, Cambodia during December, with Siem Reap averaging close to 17 mm (0.7 in).

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

We consider December to be one of the best times to travel to Siem Reap Province, Cambodia. Typically, the climate in Siem Reap is perfect. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in December offering mostly pleasant weather in Siem Reap. In contrast, February, March, April, May, June, July, August, September and October tend to have poor weather conditions.

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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