December weather forecast and climate
Sibu, Malaysia

Weather in December

The first month of the winter, December, is still a hot month in Sibu, Malaysia, with temperature in the range of an average low of 22.8°C (73°F) and an average high of 30.3°C (86.5°F).

Temperature

December is the coldest month, with an average high-temperature of 30.3°C (86.5°F) and an average low-temperature of 22.8°C (73°F).

Rainfall

In Sibu, during December, the rain falls for 20 days and regularly aggregates up to 360.4mm (14.19") of precipitation. Throughout the year, there are 193 rainfall days, and 3228.9mm (127.12") of precipitation is accumulated.

Daylight

Months with the shortest days in Sibu are January, February, November and December, with an average of 12h of daylight.

Sunshine

The average sunshine in Sibu is 4.8h.

UV index

January through May, July through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 12 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.
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FAQ

What is the coldest month in Sibu?

December is the coldest month in Sibu, with an average high-temperature of 30.3°C (86.5°F) and an average low-temperature of 22.8°C (73°F).

How many days does it rain in December in Sibu?

In Sibu, during December, the rain falls for 20 days and regularly aggregates up to 360.4mm (14.19") of precipitation.

What is the month with the shortest days in Sibu?

Months with the shortest days in Sibu, Malaysia, are January, February, November and December, with an average of 12h of daylight.

What is the average length of the day in December in Sibu?

In Sibu, Malaysia, the average length of the day in December is 12h.

How long on average sun shines in December in Sibu?

In December, the average sunshine in Sibu is 4.8h.

What are the months with the highest UV index in Sibu?

January through May, July through December, with an average maximum UV index of 12, are months with the highest UV index.

How high is the UV index in December in Sibu?

In Sibu, Malaysia, the average daily maximum UV index in December is 12. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Sibu, Malaysia

Average temperature in December - Sibu, Malaysia
  • Average high temperature in December: 30.3°C

The warmest month (with the highest average high temperature) is May (33°C).
The month with the lowest average high temperature is December (30.3°C).

  • Average low temperature in December: 22.8°C

The month with the highest average low temperature is May (23.1°C).
The coldest month (with the lowest average low temperature) is July (22.5°C).

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Average rainfall in December
Sibu, Malaysia

Average rainfall in December - Sibu, Malaysia
  • Average rainfall in December: 360.4mm

The wettest month (with the highest rainfall) is January (368.3mm).
The driest month (with the least rainfall) is July (168.2mm).

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Average rainfall days in December
Sibu, Malaysia

Average rainfall days in December - Sibu, Malaysia
  • Average rainfall days in December: 20 days

The month with the highest number of rainy days is December (20 days).
Months with the least rainy days are June and July (12 days).

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Average daylight in December /
Average sunshine in December
Sibu, Malaysia

Average daylight in December / Average sunshine in December - Sibu, Malaysia
  • Average daylight in December: 12h

The month with the longest days is June (Average daylight: 12.3h).
Months with the shortest days are January, February, November and December (Average daylight: 12h).

  • Average sunshine in December: 4.8h

The month with the most sunshine is July (Average sunshine: 6.4h).
The month with the least sunshine is January (Average sunshine: 4.2h).

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Average UV index in December
Sibu, Malaysia

Average UV index in December - Sibu, Malaysia
  • Average UV index in December: 12

Months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 12).
The month with the lowest UV index is June (UV index 11).

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