December weather forecast
Krong Siem Reap, Cambodia

The small ancient Hindu Temple, Baksei Chamkrong, surrounded by trees in Krong Siem Reap, Cambodia
The small ancient Hindu Temple, Baksei Chamkrong, surrounded by trees in Krong Siem Reap, Cambodia

Weather in December

The first month of the winter, December, is still a hot month in Krong Siem Reap, Cambodia, with an average temperature ranging between max 30°C (86°F) and min 20°C (68°F).

Temperature

December is the coldest month, with an average high-temperature of 30°C (86°F) and an average low-temperature of 20°C (68°F).

Rainfall

In Krong Siem Reap, in December, during 2 rainfall days, 7mm (0.28") of precipitation is typically accumulated. In Krong Siem Reap, during the entire year, the rain falls for 121 days and collects up to 1357mm (53.43") of precipitation.

Daylight

With an average of 11h and 22min of daylight, December has the shortest days of the year in Krong Siem Reap.
On the first day of the month, sunrise is at 06:11 and sunset at 17:35. On the last day of December, sunrise is at 06:26 and sunset at 17:48 +07.

Sunshine

The months with the most sunshine in Krong Siem Reap are January, February and December, with an average of 9h of sunshine.

UV index

The month with the lowest UV index in Krong Siem Reap is December, with an average maximum UV index of 9. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 9 in December transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.
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FAQ

What is the coldest month in Krong Siem Reap?

December is the coldest month in Krong Siem Reap, Cambodia, with an average high-temperature of 30°C (86°F) and an average low-temperature of 20°C (68°F).

How much does it rain in Krong Siem Reap in December?

In December, in Krong Siem Reap, the rain falls for 2 days. Throughout December, 7mm (0.28") of precipitation is accumulated.

What is the month with the shortest days in Krong Siem Reap?

December has the shortest days of the year in Krong Siem Reap, with an average of 11h and 22min of daylight.

How many hours of daylight does Krong Siem Reap have in December?

In Krong Siem Reap, the average day length in December is 11h and 22min.

When are sunrise and sunset in December in Krong Siem Reap?

In December, on the first day of the month, sunrise is at 06:11 and sunset at 17:35. On the last day of the month, in Krong Siem Reap, Cambodia, sunrise is at 06:26 and sunset at 17:48 +07.

What are the months with the most sunshine in Krong Siem Reap?

The months with the most sunshine in Krong Siem Reap, Cambodia, are January, February and December, with an average of 9h of sunshine.

How long on average sun shines in December in Krong Siem Reap?

In Krong Siem Reap, the average sunshine duration in December is 9h.

What is the month with the lowest UV index in Krong Siem Reap?

With an average maximum UV index of 9, December is the month with the lowest UV index in Krong Siem Reap.

What is the UV index intensity in December in Krong Siem Reap?

In December, the average daily maximum UV index is 9. A UV Index of 8 to 10 symbolizes a very high health risk from unprotected exposure to UV radiation.

Average temperature in December
Krong Siem Reap, Cambodia

Average temperature in December - Krong Siem Reap, Cambodia
  • Average high temperature in December: 30°C

The warmest months (with the highest average high temperature) are March and April (36°C).
The month with the lowest average high temperature is December (30°C).

  • Average low temperature in December: 20°C

The month with the highest average low temperature is May (25°C).
The coldest month (with the lowest average low temperature) is January (19°C).

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Average rainfall in December
Krong Siem Reap, Cambodia

Average rainfall in December - Krong Siem Reap, Cambodia
  • Average rainfall in December: 7mm

The wettest month (with the highest rainfall) is September (250mm).
The driest month (with the least rainfall) is January (1mm).

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Average rainfall days in December
Krong Siem Reap, Cambodia

Average rainfall days in December - Krong Siem Reap, Cambodia
  • Average rainfall days in December: 2 days

The months with the highest number of rainy days are July, August and September (18 days).
The month with the least rainy days is January (1 days).

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Average daylight in December /
Average sunshine in December
Krong Siem Reap, Cambodia

Average daylight in December / Average sunshine in December - Krong Siem Reap, Cambodia
  • Average daylight in December: 11h and 22min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 22min).

  • Average sunshine in December: 9h

The months with the most sunshine are January, February and December (Average sunshine: 9h).
The months with the least sunshine are August and September (Average sunshine: 5).

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Average UV index in December
Krong Siem Reap, Cambodia

Average UV index in December - Krong Siem Reap, Cambodia
  • Average UV index in December: 9

The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

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