London

Greater London Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Greater London, the United Kingdom in May.

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London Croydon Ilford Hounslow

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

What to Expect in Greater London in May

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

Temperatures

You can expect mild maximum daytime temperatures of around 18°C (64°F) and nighttime temperatures around 9°C (48°F) in London.

For a closer look at conditions across Greater London, the United Kingdom, refer to the map below.

Precipitation

May is a moderate rainy month with an average rainfall of around 58 mm (2.3 in) in London.

Average sunshine

Plenty of sunshine can be expected in numerous places in May. London typically receives 209 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Greater London by month

Pick a month to see the average temperature, rainfall and sunshine in Greater London — and find the best time to visit. (based on London)

January9°C (48°F) February9°C (48°F) March12°C (54°F) April15°C (59°F) May18°C (64°F) June21°C (70°F) This monthJuly23°C (73°F) August23°C (73°F) September20°C (68°F) October16°C (61°F) November12°C (54°F) December9°C (48°F)
Best Time to Visit Greater London →

Best Places to Visit in Greater London in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Greater London.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Greater London

What is the weather like in May for some of the most popular destinations in Greater London, the United Kingdom?

Temperature range in Greater London (May)

Precipitation variation in Greater London (May)

London

In May London generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
15°C (59°F)
18°C (64°F)
21°C (70°F)
Min temperature
6°C (43°F)
9°C (48°F)
11°C (52°F)
Monthly sun hours
178 hours
209 hours
207 hours
Monthly rainfall
57 mm (2.2 in)
58 mm (2.3 in)
63 mm (2.5 in)
Monthly rainy days
15 days
14 days
12 days
Weather conditions
tolerable
pleasant
perfect
Climate in London →

Croydon

In May Croydon generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
15°C (59°F)
18°C (64°F)
21°C (70°F)
Min temperature
6°C (43°F)
8°C (46°F)
11°C (52°F)
Monthly sun hours
178 hours
209 hours
207 hours
Monthly rainfall
58 mm (2.3 in)
59 mm (2.3 in)
65 mm (2.6 in)
Monthly rainy days
14 days
14 days
11 days
Weather conditions
tolerable
pleasant
perfect
Climate in Croydon →

Ilford

In May Ilford generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
15°C (59°F)
18°C (64°F)
21°C (70°F)
Min temperature
6°C (43°F)
9°C (48°F)
11°C (52°F)
Monthly sun hours
166 hours
195 hours
200 hours
Monthly rainfall
56 mm (2.2 in)
58 mm (2.3 in)
63 mm (2.5 in)
Monthly rainy days
14 days
13 days
11 days
Weather conditions
tolerable
pleasant
perfect
Climate in Ilford →

Hounslow

In May Hounslow generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
15°C (59°F)
18°C (64°F)
21°C (70°F)
Min temperature
6°C (43°F)
9°C (48°F)
11°C (52°F)
Monthly sun hours
178 hours
209 hours
207 hours
Monthly rainfall
57 mm (2.2 in)
58 mm (2.3 in)
63 mm (2.5 in)
Monthly rainy days
14 days
14 days
12 days
Weather conditions
tolerable
pleasant
perfect
Climate in Hounslow →

Harrow

In May Harrow generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
14°C (57°F)
18°C (64°F)
21°C (70°F)
Min temperature
6°C (43°F)
8°C (46°F)
11°C (52°F)
Monthly sun hours
178 hours
209 hours
207 hours
Monthly rainfall
57 mm (2.2 in)
59 mm (2.3 in)
64 mm (2.5 in)
Monthly rainy days
14 days
14 days
12 days
Weather conditions
tolerable
pleasant
perfect
Climate in Harrow →

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

Popular cities in May

Day & night temperatures, rainfall and average weather in Greater London in May.

City Weather Day temp Night temp Rainfall
London 18°C (64°F) 9°C (48°F) 58 mm (2.3 in)
Croydon 18°C (64°F) 8°C (46°F) 59 mm (2.3 in)
Ilford 18°C (64°F) 9°C (48°F) 58 mm (2.3 in)
Hounslow 18°C (64°F) 9°C (48°F) 58 mm (2.3 in)
Harrow 18°C (64°F) 8°C (46°F) 59 mm (2.3 in)
Kingston upon Thames 18°C (64°F) 9°C (48°F) 59 mm (2.3 in)

Greater London weather in May: frequently asked questions

What is the weather like in Greater London, the United Kingdom in May?

May in Greater London, the United Kingdom brings pleasant weather. In London, daytime temperatures are typically around 18°C (64°F) and nighttime lows hover near 9°C (48°F).

What is the average temperature in Greater London, the United Kingdom in May?

In London, the average daytime high in May is 18°C (64°F), while nighttime temperatures drop to around 9°C (48°F).

Does Greater London, the United Kingdom get a lot of rain in May?

Rain is generally moderate to light in Greater London, the United Kingdom during May, with London averaging close to 58 mm (2.3 in).

Is May a Good Time to Visit Greater London, the United Kingdom?

Given the typically pleasant weather conditions in London, May might be a good time to visit Greater London, the United Kingdom. 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.

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.

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