London Weather in May: Climate, Temperature & Travel Tips
Avg 12.8°C · 57mm rain — May is spring in London.
- Avg high
- 17.2 °C
- Avg low
- 8.3 °C
- Avg
- 12.8 °C
- Precipitation
- 57 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
May in London, United Kingdom brings spring conditions: average temperature 12.8°C, average high 17.2°C, average low 8.3°C. Monthly rainfall averages 57mm, making it a drier time of year.
Conditions are pleasant for most travel activities.
What to Pack
- Light jacket or fleece, long-sleeve shirts
- Closed shoes; layers for changing conditions
Best Things to Do
- Walking tours and city exploration
- Parks and outdoor cafes
- Seasonal food and night markets (where applicable)
Pros and Cons of Visiting in May
Pros:
- Low rainfall — minimal disruption to outdoor plans
- Shoulder season often means smaller crowds and lower prices
Cons:
- No major weather drawbacks for typical activities
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 July 18.5°C
- 2 August 17.7°C
- 3 June 16.5°C
- 1 January 4.8°C
- 2 February 5.7°C
- 3 December 6.5°C
FAQ
01 What is the average temperature in London in May? +
The average is 12.8°C, with a high of 17°C and a low of 8°C.
02 What is London like to visit in May? +
It is spring in London, which is cool — bring warm clothes.
03 Does it rain often in London during May? +
Average rainfall is 57mm, which is low.
04 What should I pack for London in May? +
Light jacket or fleece, long-sleeve shirts; Closed shoes; layers for changing conditions.
05 Is May a peak travel season for London? +
It is closer to off-season, with more reasonable prices and fewer crowds.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17