Greater London weather in January 2026

Q: How cold is it in Greater London in January?

Daytime temperatures usually reach 7°C in London, Greater London in January, falling to 2°C at night.

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

There are normally 2 hours of bright sunshine each day in London, Greater London in January - that's 19% of daylight hours.

Q: Does it rain in Greater London in January?

There are usually 16 days with some rain in London, Greater London in January and the average monthly rainfall is 55mm.

Expect 7°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Greater London in January based on long-term weather averages. There is usually 16 days with some rainfall and 55 mm of average monthly rainfall in January.

7
7°C max day temperature
2
2 hours of sunshine per day
16
16 days with some rainfall
2
2°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
55
55 mm of monthly rainfall
1
1 (Low) UV index

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The January 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 / mm) | Imperial (°F / inches)

More about the UK

How cold is it in Greater London in January?

Daytime temperatures usually reach 7°C in London, Greater London in January, falling to 2°C at night.

How sunny is it in Greater London in January?

There are normally 2 hours of bright sunshine each day in London, Greater London in January - that's 19% of daylight hours.

Does it rain in Greater London in January?

There are usually 16 days with some rain in London, Greater London in January and the average monthly rainfall is 55mm.

Greater London January sunrise & sunset times

Browse the sunrise and sunset times for Greater London in January 2026. Select a month to view Greater London sunrise and sunset times for the next 12 months.

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