London Weather in December
In December, London averages a high of 8°C (46°F) and a low of 2°C (36°F), based on 55 years of historical weather data from HAMPSTEAD.
8°C
Average high
46°F
2°C
Average low
36°F
17°C
Record high
62°F · 2015
-17°C
Record low
1°F · 1981
What to Expect in London in December
Typical December days in London reach 8°C (46°F) during the afternoon and cool to around 2°C (36°F) overnight. On average, measurable rain falls on about 60% of days this month. Over the past 55 years, December temperatures in London have ranged from a record high of 17°C (2015) down to a record low of -17°C (1981).
For a day-by-day look or other months, see the full London weather history.