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Weather in May in Greater London

Planning a journey to Greater London this May and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Greater London in May?

Greater London is a region in the United Kingdom. May in Greater London generally has moderate temperatures, with moderate precipitation.

Temperatures

You can expect moderate maximum daytime temperatures of around 18°C and nighttime temperatures around 9°C in London.

Precipitation

May is a moderate rainy month with an average rainfall of around 58 mm in London.

Average sunshine

Meanwhile, London enjoys approximately 209 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

For specific regional insights in Greater London for May, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Greater London climate page.

Where to go in Greater London in May

Find more information for the most popular destinations in the Greater London on the map below. Click on a destination dot for more detailes.

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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).

Popular destinations

What is the weather like in May for the 5 most popular destinations in Greater London?

London

In May London generally has moderate temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

London
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
15°C 
6°C 
178 hours 
57 mm 
15 days 
18°C 
9°C 
209 hours 
58 mm 
14 days 
June   >> June
>>  
21°C 
11°C 
207 hours 
63 mm 
12 days 
Climate in London

Croydon

In May Croydon generally has moderate temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Croydon
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
15°C 
6°C 
178 hours 
58 mm 
14 days 
18°C 
8°C 
209 hours 
59 mm 
14 days 
June   >> June
>>  
21°C 
11°C 
207 hours 
65 mm 
11 days 
Climate in Croydon

Ilford

In May Ilford generally has moderate temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Ilford
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
15°C 
6°C 
166 hours 
56 mm 
14 days 
18°C 
9°C 
195 hours 
58 mm 
13 days 
June   >> June
>>  
21°C 
11°C 
200 hours 
63 mm 
11 days 
Climate in Ilford

Hounslow

In May Hounslow generally has moderate temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Hounslow
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
15°C 
6°C 
178 hours 
57 mm 
14 days 
18°C 
9°C 
209 hours 
58 mm 
14 days 
June   >> June
>>  
21°C 
11°C 
207 hours 
63 mm 
12 days 
Climate in Hounslow

Harrow

In May Harrow generally has moderate temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Harrow
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
14°C 
6°C 
178 hours 
57 mm 
14 days 
18°C 
8°C 
209 hours 
59 mm 
14 days 
June   >> June
>>  
21°C 
11°C 
207 hours 
64 mm 
12 days 
Climate in Harrow

Is your destination not in the list? Have a look at other destinations in Greater London, in the United Kingdom.

Is May the best time to visit Greater London?

Given the typically pleasant weather conditions in London, May might be a good time to visit Greater London. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in June, July, August and September offering mostly perfect weather in London. On the other hand, the months of January, February and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Greater London. Interested in the weather conditions in a specific month? Select the month below.

  • January      
  • February      
  • March      
  • April      
  • May      
  • June      
  • July      
  • August      
  • September      
  • October      
  • November      
  • December      
  • Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed 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 travel conditions. Find out where to go with our weather planner.