Weather in London in December
How warm is it in London in December?
In December the typical daytime high in London is 2.5 °C on average, from 4.8 °C at the start to 1.0 °C at the end of the month.
That is 5.6 °C cooler than in November and 2.4 °C warmer than in January.
The last 10 years were 1.5 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Toronto (167 km) and Bowling Green Wwtp (265 km); nearer ones count more.