World Resorts United Kingdom London Weather

London Sea Temperature in December

Average sea water temperature in December:
+46.7°F
Minimum sea water temperature in December: 51.8°F
Maximum sea water temperature in December: 41.7°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 46.7°F. The highest and lowest sea temperatures during the month were 48.4°F and 43.7°F.

Monthly sea water temperature in London, °F

Which United Kingdom resorts have warmest sea in December?

Place name December 2025 December 2024
Gibraltar 61.2°F 62.7°F
Plymouth 52.9°F 53.4°F
Torquay 51.6°F 51.6°F
Bournemouth 51.4°F 51.1°F
Brighton 51.3°F 51.6°F
Belfast 49.1°F 50.2°F
Glasgow 48.8°F 48.7°F
Scarborough 47.9°F 47.8°F
Bath 47.5°F 46.9°F
Bristol 47.4°F 46.7°F
Middlesbrough 47.3°F 47.2°F
London 46.7°F 45.3°F
York 46.4°F 45.3°F
Edinburgh 46.4°F 45.9°F
Liverpool 45.5°F 44.9°F

Best time for vacation in London

Sunniest months:
September 9 days
August 8 days
April 8 days
Warmest months:
July 73.3 °F
August 72.8 °F
June 69.5 °F
Warmest sea temp:
August 66.4 °F
July 64.9 °F
September 63.4 °F
Coldest months:
January 44.6 °F
February 47.1 °F
December 47.4 °F
Rainiest months:
December 5 days
May 4 days
October 4 days
Windiest months:
February 11.1 mph
December 10.7 mph
January 10.2 mph

London on a weather map

London
+36°F
S 5 mph
Feels like: +32°F
Precip.: 0%
Places in United Kingdom:
Name
°F
+32°F
+30°F
+34°F
+37°F
+34°F
+50°F
+30°F
+32°F
+34°F
+36°F
+34°F
+36°F
+37°F
+28°F
+32°F
24 Hours Forecast
London
Local time: 22:56
December 31, wednesday
0000
36°F
S
5 mph
0300
36°F
S
4 mph
0600
34°F
SE
4 mph
0900
34°F
SE
3 mph
1200
39°F
E
6 mph
1500
39°F
E
7 mph
1800
37°F
E
6 mph
2100
36°F
E
6 mph
Units of measurement: °C / °F