London weather by month › December
London in December: weather and what to expect
It’s fine, but not the best. June to August are more pleasant.
December weather in London
Daytime high48°F 9°C
Night low38°F 3°C
Rain2.5 in 64 mm
AirDry
SunWeak sun
In December, London averages highs of 48°F (9°C) and lows of 38°F (3°C), with 2.5 in (64 mm) of rain. The air feels dry and the sun is weak. 1991–2020 averages, not a forecast.
Pack: a warm jacket.
Places with the same weather in December
Match out of 100 for December, one city per country.
- Dublin Ireland · 48°F highs97
- Marne-la-Vallée France · 46°F highs95
- Brussels Belgium · 45°F highs91
- Köln Germany · 45°F highs90
- Gasteiz / Vitoria Spain · 50°F highs90
- The Hague Netherlands · 45°F highs90
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