Greater London weather in December 2025

Q: How warm is it in Greater London in December?

Daytime temperatures usually reach 8°C in London, Greater London in December, falling to 2°C at night.

Q: How sunny is it in Greater London in December?

There are normally 1 hour of bright sunshine each day in London, Greater London in December - that's 18% of daylight hours.

Q: Does it rain in Greater London in December?

There are usually 14 days with some rain in London, Greater London in December and the average monthly rainfall is 59mm.

Expect daytime maximum temperatures of 46°F in Greater London, UK in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 14 days with some rainfall and typically 2.3 inches of rainfall in the month.

46
46°F max day temperature
1
1 hour of sunshine per day
14
14 days with some rainfall
36
36°F min night temperature
8
8 hours of daylight per day
0
No heat & humidity
2.3
2.3 inches of monthly rainfall
0
No UV (Maximum) Index UV index

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The December weather guide for Greater London (London) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about the UK

How warm is it in Greater London in December?

Daytime temperatures usually reach 46°F in London, Greater London in December, falling to 36°F at night.

How sunny is it in Greater London in December?

There are normally 1 hour of bright sunshine each day in London, Greater London in December - that's 18% of daylight hours.

Does it rain in Greater London in December?

There are usually 14 days with some rain in London, Greater London in December and the average monthly rainfall is 2.3 inches.

Greater London December sunrise & sunset times

Browse the sunrise and sunset times for Greater London in December 2025. Select a month to view Greater London sunrise and sunset times for the next 12 months.

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