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London weather in April

Weather in London: April

Average day temperature: 57.7°F
Average night temperature: 44.7°F
Sea water temperature: 49.1°F
Number of sunny days: 8 days
Day length: 13.0 - 14.8 hours
Number of rainy days: 3 days
Precipitation totals: 1.3 in.

Air temperature in April, °F

Show year:
2026
2025
2024

The highest day temperature during April of 2026 was 71°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during April were 58.5°F and 46.6°F.

Sea water temperature in London in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 51.0°F. The highest and lowest sea temperatures during the month were 54.5°F and 47.5°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in April is almost equal.

Precipitation total in April, in.

Precipitation total value in London in April is 1.1 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 8.5 mph

Average sunny hours

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 April is: 6.9.

Best time for vacation in London

Sunniest months:
July 9 days
September 9 days
April 8 days
Warmest months:
July 73.8 °F
August 73.1 °F
June 69.7 °F
Warmest sea temp:
August 66.6 °F
July 65.3 °F
September 63.4 °F
Coldest months:
January 44.5 °F
February 47.2 °F
December 47.4 °F
Rainiest months:
December 5 days
August 4 days
October 4 days
Windiest months:
February 11.0 mph
December 10.7 mph
January 10.2 mph

London on a weather map

London
+57°F
SE 8 mph
Feels like: +55°F
Precip.: 8%
Places in United Kingdom:
Name
°F
+54°F
+52°F
+52°F
+59°F
+54°F
+73°F
+52°F
+52°F
+57°F
+57°F
+54°F
+52°F
+52°F
+54°F
+50°F
24 Hours Forecast
London
Local time: 03:53
September 16, wednesday
0600
55°F
SE
8 mph
0900
59°F
SE
9 mph
1200
64°F
SE
9 mph
1500
63°F
E
9 mph
1800
63°F
E
7 mph
2100
63°F
E
9 mph
September 17, thursday
0000
59°F
E
9 mph
0300
57°F
NE
9 mph
Units of measurement: °C / °F