Measurements:
°C
°F
London
48°F
E 5 mph
Feels like: 46°F
Precip: 0%
World Resorts United Kingdom London Weather

London Sea Water Temperature

Current Sea Water Temperature:
+43.0°F
Maximum Sea Water Temperature in December: 52.0°F
Minimum Sea Water Temperature in December: 40.8°F
Average water temperature in December: 46.3°F

Sea Water Temperature for the Last 10 Days:

December 25 43.0°F December 20 43.4°F
December 24 42.6°F December 19 45.2°F
December 23 42.2°F December 18 44.4°F
December 22 43.4°F December 17 44.4°F
December 21 44.6°F December 16 44.2°F

When is the Warmest Sea for London?

According to our data for the last three years for London the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for London was 69.6°F. The maximum and minimum values were 68.2°F and 73.0°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for London was 65.9°F. The maximum and minimum values were 62.8°F and 69.0°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for London was 65.8°F. The maximum and minimum values were 62.6°F and 68.6°F respectively.

Best Time to Visit London
The most sunny months:
September 9 days
July 8 days
April 8 days
The most warm months:
July 75.8 °F
August 75.2 °F
June 71.4 °F
Warmest sea temperature:
August 68.2 °F
July 66.3 °F
September 64.9 °F
The most cold months:
January 44.2 °F
February 46.9 °F
December 47.0 °F
The most rainy months:
December 5 days
August 4 days
May 4 days
The most windy months:
February 11 mph
December 11 mph
January 10 mph

London on the Weather Map

United Kingdom Resorts:
NAME
Bath +52
Belfast +54
Bournemouth +52
Brighton +50
Bristol +52
Edinburgh +54
Gibraltar +58
Glasgow +50
Liverpool +50
London +48
Middlesbrough +52
Plymouth +52
Scarborough +50
Torquay +52
York +50
24 Hours Weather Forecast
London
Local time: 12:52
25 dec, wednesday
1500 48°F
NE
3 mph
1800 46°F
NE
3 mph
2100 46°F
NE
4 mph
26 dec, thursday
0000 44°F
NE
3 mph
0300 44°F
NE
2 mph
0600 42°F
NE
2 mph
0900 42°F
NE
2 mph
1200 48°F
NE
2 mph