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London weather in May

Weather in London: May

Average day temperature: 63.0°F
Average night temperature: 50.0°F
Sea water temperature: 54.5°F
Number of sunny days: 7 days
Day length: 13.8 - 16.3 hours
Number of rainy days: 4 days
Precipitation totals: 2.0 in.

Air temperature in May, °F

Show year:
2024
2023
2022
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3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
12
24
36
48
60
72
84
96
Day temperature   
Night temperature

The highest day temperature during May of 2024 was 75°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during May were 63.0°F and 52.3°F.

Sea water temperature in London in May, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
47
50
53
56
59
62
65

The average sea water temperature in May of 2024 was 56.6°F. The highest and lowest sea temperatures during the month were 61.0°F and 51.3°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
23%
32%
45%

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.4
0.9
1.3
1.8
2.2
2.7
3.1
3.6
2.4
2.3
2.6
1.7
2.3
1.8
1.8
1.4
1.9
1.6
1.8
2.4
2.3
2.6
1.7
2.3
1.8
1.8
1.9
1.4
1.9
1.6
1.8

Precipitation total value in London in May is 1.9 in. Other months of the year show relatively similar values.

Wind speed in May, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.9
3.7
5.6
7.4
9.3
11.1
13.0
14.8
9.4
9.0
9.0
8.4
8.5
8.4
8.6
8.9
10.0
10.8
9.4
9.4
9.0
9.0
8.4
8.5
8.4
8.6
8.5
8.9
10.0
10.8
9.4

The average wind speed value in May is 8.5 mph It makes May one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
2.9
4.4
5.8
7.3
8.7
10.2
11.7
2.4
3.7
4.8
6.1
7.5
7.2
8.5
6.1
4.9
3.7
3.5
2.4
3.7
4.8
6.1
7.5
7.2
8.5
6.3
6.1
4.9
3.7
3.5

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 6.3.

Best time for vacation in London

Sunniest months:
September 9 days
July 8 days
April 8 days
Warmest months:
July 73.2 °F
August 72.7 °F
June 69.2 °F
Warmest sea temp:
August 66.4 °F
July 64.7 °F
September 63.4 °F
Coldest months:
January 44.6 °F
February 47.1 °F
December 47.3 °F
Rainiest months:
December 5 days
May 4 days
October 4 days
Windiest months:
February 11.1 mph
December 10.8 mph
January 10.2 mph

London on a weather map

Leaflet | Tiles © Esri
Places in United Kingdom:
Name
°F
+52°F
+48°F
+52°F
+50°F
+52°F
+59°F
+43°F
+43°F
+52°F
+54°F
+43°F
+50°F
+41°F
+50°F
+41°F
24 Hours Forecast
London
Local time: 19:34
April 03, thursday
2100
54°F
W
6 mph
April 04, friday
0000
54°F
W
2 mph
0300
52°F
SW
4 mph
0600
50°F
SW
6 mph
0900
59°F
W
11 mph
1200
64°F
W
12 mph
1500
64°F
W
13 mph
1800
59°F
SW
12 mph
Units of measurement: °C / °F