London weather in May (Greater London, United Kingdom)

What can you expect from the weather in London during May? This guide provides all the details you need.

In May, London generally has moderate temperatures and moderate rainfall. Anticipate daytime temperatures around 18°C, while night temperatures can drop to 9°C.

London in May usually receives moderate rainfall, averaging around 58 mm for the month. Based on our climate data of the past 30 years, about 14 days of rain are anticipated.

The city usually sees around 209 hours of sunlight, indicating many sunny days.

In case you lean more towards enjoying temperate temperatures and rain-free days June, July, August and September typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized London climate page with graphs.

 

London, monthly averages in May

Min TemperatureMin Temperature 9°C  
Max TemperatureMax Temperature 18°C  
Chance of RainChance of Rain 47%  
PrecipitationPrecipitation 58 mm  
Rainy daysRainy days 14 days  
HumidityHumidity 66%  
WindspeedWindspeed 11 km/h  
SunshineSunshine 209 hours  
Percentage SunshinePercentage Sunshine 41%  

Where to go in the United Kingdom in May

Find out more about the weather in the United Kingdom in May and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in London in May?

For visitors traveling to London, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Cycling
6/10
Walking
6/10
Camping
4/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in London.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.