NE Monsoon in Singapore
Singapore Weather in December
On average, Singapore sees a top of 30°C and an overnight low of 24°C in December, with around 19 rain days and 303mm of total rainfall. UV is typically high, 9-10.
30°C
24°C
303mm
19
What December is like in Singapore
December is Singapore's rainiest month. The north-east monsoon is at its strongest, bringing prolonged rain and frequent thunderstorms. Temperatures are at their lowest for the year, though still warm by global standards.
These figures are long-term averages, not a forecast — for today's actual conditions and the week ahead, check the live Singapore weather forecast. Averages are useful for planning travel, events or what to pack, but any single December can run warmer, cooler, wetter or drier than the long-term normal.