May weather forecast
London, United Kingdom

The large Thames river overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom
The large Thames river overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom

Weather in May

May, the last month of the spring in London, is a comfortable month, with an average temperature ranging between min 8.3°C (46.9°F) and max 16.8°C (62.2°F).

Temperature

In May, the average high-temperature is essentially the same as in April - an enjoyable 16.8°C (62.2°F). The average low-temperature, in May, is 8.3°C (46.9°F).

Humidity

In May, the average relative humidity in London is 75%.

Rainfall

In London, United Kingdom, in May, during 14.3 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in London, United Kingdom, there are 151.7 rainfall days, and 370mm (14.57") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In London, the average length of the day in May is 15h and 38min.
On the first day of the month, sunrise is at 5:31 am and sunset at 8:23 pm. On the last day of May, in London, sunrise is at 4:49 am and sunset at 9:06 pm BST.

Sunshine

The average sunshine in May is 7.4h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
[Resources]

FAQ

What is the temperature in May in London?

The average high-temperature, in May, in London, is 16.8°C (62.2°F), while the average low-temperature is 8.3°C (46.9°F).

What is the average humidity in May in London?

In May, the average relative humidity is 75%.

How many days does it rain in May in London?

In May, in London, the rain falls for 14.3 days. Throughout May, 26mm (1.02") of precipitation is accumulated.

When it does not snow in London?

May through October are months without snowfall.

Does it snow in London in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does London have in May?

In May, the average day length is 15h and 38min.

When are sunrise and sunset in May in London?

On the first day of May, sunrise is at 5:31 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 4:49 am and sunset at 9:06 pm BST.

How many hours of sunshine does London have in May?

In London, the average sunshine duration in May is 7.4h.

What is the UV index intensity in May in London?

In London, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
London, United Kingdom

Average temperature in May - London, United Kingdom
  • Average high temperature in May: 16.8°C

The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in May: 8.3°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).

[Resources]

Average pressure in May
London, United Kingdom

Average pressure in May - London, United Kingdom
  • Average pressure in May: 1016.8mbar

The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).

[Resources]

Average wind speed in May
London, United Kingdom

Average wind speed in May - London, United Kingdom
  • Average wind speed in May: 13.4km/h

The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is September (12.6km/h).

[Resources]

Average humidity in May
London, United Kingdom

Average humidity in May - London, United Kingdom
  • Average humidity in May: 75%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).

[Resources]

Average rainfall in May
London, United Kingdom

Average rainfall in May - London, United Kingdom
  • Average rainfall in May: 26mm

The wettest month (with the highest rainfall) is June (45mm).
The driest month (with the least rainfall) is April (22mm).

[Resources]

Average rainfall days in May
London, United Kingdom

Average rainfall days in May - London, United Kingdom
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (9.8 days).

[Resources]

Average snowfall in May
London, United Kingdom

Average snowfall in May - London, United Kingdom
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

[Resources]

Average snowfall days in May
London, United Kingdom

Average snowfall days in May - London, United Kingdom
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
London, United Kingdom

Average daylight in May / Average sunshine in May - London, United Kingdom
  • Average daylight in May: 15h and 38min

The month with the longest days is June (Average daylight: 16h and 34min).
The month with the shortest days is December (Average daylight: 7h and 56min).

  • Average sunshine in May: 7h and 24min

The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

[Resources]

Average sunshine days in May
London, United Kingdom

Average sunshine days in May - London, United Kingdom
  • Average sunshine days in May: 14.1 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is June (12.2 days).

[Resources]

Average UV index in May
London, United Kingdom

Average UV index in May - London, United Kingdom
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in May
London, United Kingdom

Average cloud cover in May - London, United Kingdom
  • Average cloud cover in May: 51

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).

[Resources]

Average visibility in May
London, United Kingdom

Average visibility in May - London, United Kingdom
  • Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
The months with the lowest visibility are September and November (8km).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location