December weather forecastSibu, Malaysia
December
Weather in December
December usually ends up as the month with the most rain in Sibu, lending a moist tinge to the closing of the year. A rising trend in precipitation is evident, which has been building up since October. A significant increase in rainfall to 360mm (14.17") is observed from November to December. Despite the increase in rainfall, the city's charm is enhanced by the refreshing rainfalls. The consistent warm temperatures make it an enjoyable time to visit Sibu, particularly for those fond of tropical climates.Temperature
Sibu's temperature records reveal December as the coldest month, marked by average highs of 30.3°C (86.5°F) and lows of 22.8°C (73°F).Rainfall
In Sibu, Malaysia, during December, the rain falls for 20 days and regularly aggregates up to 360mm (14.17") of precipitation. Throughout the year, in Sibu, Malaysia, there are 193 rainfall days, and 3229mm (127.13") of precipitation is accumulated.Daylight
With an average of 12h and 0min of daylight, December has the shortest days of the year.On the first day of December in Sibu, Malaysia, sunrise is at 6:21 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:35 pm +08.
Sunshine
In Sibu, the average sunshine in December is 4.8h.UV index
The months with the highest UV index are January through May, July through December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 12 in December leads to these recommendations:
Practice all essential precautions. Protection against sun damage is crucial. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Sunscreen of at least SPF 30 should be applied generously and reapplied often on overcast days, especially post swim or outdoor exercise.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
The months with the least rainy days are June and July (12 days).
Average daylight in December /
Average sunshine in December
Sibu, Malaysia
- Average daylight in December: 12h and 0min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 6h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average UV index in December
Sibu, Malaysia
- Average UV index in December: 12
The 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).





