London weather in May 2021

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  • 17°C maximum daytime temperature in May in London17
    17°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in May in London13
    13 days with some rainfall
  • 8°C minimum night-time temperature in May in London8
    8°C min night temperature
  • 16 hours of daylight per day in May in London16
    16 hours of daylight per day
  • No heat & humidity in May in London0
    No heat & humidity
  • 51 mm monthly rainfall in May in London51
    51 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in London5
    5 (Moderate) UV index

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The May weather guide for London, England 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.

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How warm is it in London in May?

Daytime temperatures usually reach 17°C in London in May, falling to 8°C at night.

How sunny is it in London in May?

There are normally 6 hours of bright sunshine each day in London in May - that's 39% of daylight hours.

Does it rain in London in May?

There are usually 13 days with some rain in London in May and the average monthly rainfall is 51mm.

Metric (°C / mm)  |  Imperial (°F / inches)

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London sunrise & sunset times for May 2021

Browse the sunrise and sunset times for London in May 2021. Select a month to view London sunrise & sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st May 2021 05:32 20:24
Sunday, 16th May 2021 05:07 20:48
Monday, 31st May 2021 04:50 21:07
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