Is Serian hot in December?
Days are typically hot at 30.9°C, while nights average 23.2°C.
Malaysia · 1991–2020 normal
Typical December weather in Serian: 30.9°C by day, 23.2°C at night, 519 mm of rain over 23.4 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, December scores 5 out of 100 (July leads the year at 24). Daylight is calculated as 12 h 03 from latitude 1.17°.
December at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically hot at 30.9°C, while nights average 23.2°C.
The measured monthly average is 519 mm across about 23 wet days.
There are about 12 h 03 between sunrise and sunset at mid-month, calculated from the place latitude.
December ranks 12 of 12 in our weather comparison; July ranks first.
The evidence behind this page
Next step
The weather comparison for Serian is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work