World Resorts United Kingdom London Weather

London sea water temperature

Current sea water temperature:
+51.6°F
Minimum sea water temperature in November: 58.3°F
Maximum sea water temperature in November: 46.8°F
Average sea water temperature in November: 52.2°F

Sea water temperature for the last 10 days:

November 10 51.6°F November 5 52.5°F
November 9 52.0°F November 4 52.7°F
November 8 51.8°F November 3 53.4°F
November 7 52.0°F November 2 52.9°F
November 6 52.5°F November 1 52.9°F

When is the warmest sea in London?

Based on the data about daily sea water temperature for the last three years the warmest sea in London was noticed in August, July and September.

Monthly Sea Temperatures in London, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 69.9°F. The highest and lowest sea temperatures during the month were 72.3°F and 66.6°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 70.1°F. The highest and lowest sea temperatures during the month were 72.7°F and 68.2°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 65.6°F. The highest and lowest sea temperatures during the month were 67.1°F and 63.7°F.

Best time for vacation in London

Sunniest months:
July 9 days
May 8 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 63.5 °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
+46°F
SW 9 mph
Feels like: +43°F
Precip.: 72%
Places in United Kingdom:
Name
°F
+45°F
+39°F
+48°F
+48°F
+45°F
+64°F
+34°F
+41°F
+43°F
+46°F
+39°F
+48°F
+45°F
+45°F
+32°F
24 Hours Forecast
London
Local time: 01:51
November 11, wednesday
0300
46°F
SW
9 mph
0600
46°F
SW
10 mph
0900
46°F
SW
8 mph
1200
48°F
SW
7 mph
1500
48°F
SW
6 mph
1800
48°F
SW
5 mph
2100
46°F
S
5 mph
November 12, thursday
0000
45°F
S
6 mph
Units of measurement: °C / °F