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 47.3°F. The highest and lowest sea temperatures during the month were 48.4°F and 45.5°F.

Monthly sea water temperature in London, °F

Which United Kingdom resorts have warmest sea in December?

Place name December 2025 December 2024
Gibraltar 61.4°F 62.7°F
Plymouth 53.1°F 53.4°F
Torquay 51.9°F 51.6°F
Bournemouth 51.9°F 51.1°F
Brighton 51.8°F 51.6°F
Belfast 49.6°F 50.2°F
Glasgow 49.1°F 48.7°F
Scarborough 48.2°F 47.8°F
Bath 48.1°F 46.9°F
Bristol 47.9°F 46.7°F
Middlesbrough 47.4°F 47.2°F
London 47.3°F 45.3°F
York 46.8°F 45.3°F
Edinburgh 46.5°F 45.9°F
Liverpool 45.8°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 47.3 °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

London
+43°F
SW 14 mph
Feels like: +36°F
Precip.: 0%
Places in United Kingdom:
Name
°F
+39°F
+45°F
+43°F
+41°F
+39°F
+55°F
+41°F
+45°F
+43°F
+43°F
+45°F
+41°F
+45°F
+37°F
+43°F
24 Hours Forecast
London
Local time: 12:59
December 24, wednesday
1500
41°F
SW
14 mph
1800
39°F
SW
13 mph
2100
39°F
SW
14 mph
December 25, thursday
0000
39°F
SW
16 mph
0300
37°F
SW
17 mph
0600
39°F
SW
17 mph
0900
39°F
SW
17 mph
1200
43°F
SW
16 mph
Units of measurement: °C / °F