London weather in May 2021

Get the latest coronavirus (Covid-19) updates for England with current travel advice and statistics on new cases per 100,000 and vaccine.

  • 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

Recommended for England

  • Top deals & discounts
  • London weather overview
  • London climate averages by month
  • More destinations
  • Best time to go to London
  • London 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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.

Red Carnation Hotels: Top offers on 5-star luxury hotels

  • Explore Red Carnation Hotels across Europe, Africa & Florida
  • Including London, Edinburgh, Ireland & Guernsey
  • Plus South Africa & Xigera Safari Lodge in Botswana
Go to Red Carnation Hotels deal >>

View all Red Carnation Hotels offers

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)

Back to top

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

Corinthia Hotels: 3 nights for the price of 2

  • Book longer stays & save on hotel rooms with Corinthia
  • Minimum number of nights varies by destination
  • Visit London, Budapest, Lisbon, Prague & St Petersburg
Go to Corinthia Hotels deal >>

View all Corinthia Hotels offers

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.