Greater London weather in January 2025

Expect 45°F daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Greater London in January. Check more long-term weather averages for Greater London in January before you book your next holiday to Greater London in 2025/2026.

  • 45°F maximum daytime temperature in January in Greater London (London)45
    45°F max day temperature
  • 2 hours of sunshine per day
  • 16 days with some rainfall in January in Greater London (London)16
    16 days with some rainfall
  • 36°F minimum night-time temperature in January in Greater London (London)36
    36°F min night temperature
  • 8 hours of daylight per day in January in Greater London (London)8
    8 hours of daylight per day
  • No heat & humidity in January in Greater London (London)0
    No heat & humidity
  • 2.2 inches monthly rainfall in January in Greater London (London)2.2
    2.2 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Greater London (London)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)  |  Imperial (°F)

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More about the UK

How cold is it in Greater London in January?

Daytime temperatures usually reach 45°F in London, Greater London in January, falling to 36°F 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 2.2 inches.

Greater London January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:06 16:03
Thursday, 16th January 2025 07:58 16:23
Friday, 31st January 2025 07:40 16:49

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