January weather forecast
Krong Siem Reap, Cambodia

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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 January

Provincial atmosphere during January in Krong Siem Reap, Cambodia, mainly includes warm days with the highest temperatures of the year reaching from 31°C (87.8°F) to 34°C (93.2°F). As the kick-off month of the year, January ushers in the new year with minimal rainfall - it’s the driest month up until this point, only seeing up to 1mm (0.04") of rain. Shaping a contrast to the preceding December frost, January proves to be a moderately sunny period, supplying an average daylight length typical of early year trends. It's an excellent time for visitors to enjoy the outdoors, far from the high humidity of subsequent months. As per UV index measurements, sun protection is advisable due to high levels of UV radiation, similar to the rest of the year.

Temperature

Krong Siem Reap records an average high-temperature of a still tropical 31°C (87.8°F) as January arrives, nearly mirroring the previous month's climate. Krong Siem Reap, after an intense day, registers a significant cooling to an average low-temperature of 19°C (66.2°F) throughout January.

Rainfall

The month with the least rainfall is January, when the rain falls for 1 days and typically collects 1mm (0.04") of precipitation.

Daylight

In Krong Siem Reap, the average length of the day in January is 11h and 26min.
On the first day of the month, sunrise is at 06:27 and sunset at 17:48. On the last day of January, in Krong Siem Reap, sunrise is at 06:31 and sunset at 18:04 +07.

Sunshine

January, February and December, with an average of 9h of sunshine, are months with the most sunshine.

UV index

The average daily maximum UV index in January is 10. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 10 in January translates into the following recommendations:
Always take safety measures. The skin and eyes are at risk if left exposed. 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. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Post an outdoor workout or swimming, a broad-spectrum SPF 30+ sunscreen should be applied generously and frequently.

Frequently asked questions

Is it hot during January?

The high-temperature, in January, in Krong Siem Reap, is 31°C (87.8°F), while the low-temperature averages to 19°C (66.2°F).

What is the driest month?

The month with the least rainfall is January, when the rain falls for 1 days and typically collects 1mm (0.04") of precipitation.

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

In Krong Siem Reap, in January, during 1 rainfall days, 1mm (0.04") of precipitation is typically accumulated.

What is the average length of the day in January?

In Krong Siem Reap, the average day length in January is 11h and 26min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 06:27 and sunset at 17:48. On the last day of the month, sunrise is at 06:31 and sunset at 18:04 +07.

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

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

How many hours of sunshine does Krong Siem Reap have in January?

In January, the average sunshine duration is 9h.

What is the UV index reading in January?

In January, the average daily maximum UV index is 10. A UV Index reading of 8 to 10 represents a very high health risk from unsafe exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in January
Krong Siem Reap, Cambodia

Average temperature in January - Krong Siem Reap, Cambodia
  • Average high temperature in January: 31°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 January: 19°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).

Average rainfall in January
Krong Siem Reap, Cambodia

Average rainfall in January - Krong Siem Reap, Cambodia
  • Average rainfall in January: 1mm

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

Average rainfall days in January
Krong Siem Reap, Cambodia

Average rainfall days in January - Krong Siem Reap, Cambodia
  • Average rainfall days in January: 1 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).

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

Average daylight in January / Average sunshine in January - Krong Siem Reap, Cambodia
  • Average daylight in January: 11h and 2min

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 24min).

  • Average sunshine in January: 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: 5h).

Average UV index in January
Krong Siem Reap, Cambodia

Average UV index in January - Krong Siem Reap, Cambodia
  • Average UV index in January: 10

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).

Krong Siem Reap, Cambodia

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