World Resorts United Kingdom Belfast Weather

Belfast Sea Temperature in January

Average sea water temperature in January:
+47.1°F
Minimum sea water temperature in January: 50.2°F
Maximum sea water temperature in January: 42.4°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 46.6°F. The highest and lowest sea temperatures during the month were 48.0°F and 45.0°F.

Monthly sea water temperature in Belfast, °F

Which United Kingdom resorts have warmest sea in January?

Place name January 2026 January 2025
Gibraltar 59.8°F 60.9°F
Plymouth 49.7°F 50.8°F
Torquay 47.9°F 48.6°F
Brighton 46.8°F 47.3°F
Belfast 46.6°F 47.3°F
Bournemouth 46.5°F 47.4°F
Glasgow 46.4°F 46.4°F
Scarborough 44.7°F 44.9°F
Middlesbrough 44.1°F 43.8°F
Edinburgh 43.0°F 43.6°F
Bristol 42.0°F 43.1°F
Bath 41.9°F 43.1°F
London 41.5°F 42.2°F
Liverpool 41.4°F 41.8°F
York 41.2°F 41.4°F

Best time for vacation in Belfast

Sunniest months:
May 6 days
April 6 days
March 4 days
Warmest months:
July 63.3 °F
August 63.0 °F
June 61.0 °F
Warmest sea temp:
August 57.8 °F
September 57.7 °F
July 56.6 °F
Coldest months:
January 43.7 °F
February 45.5 °F
December 45.6 °F
Rainiest months:
July 7 days
June 6 days
August 6 days
Windiest months:
February 13.3 mph
December 13.1 mph
January 12.4 mph

Belfast on a weather map

Belfast
+39°F
W 27 mph
Feels like: +28°F
Precip.: 100%
Places in United Kingdom:
Name
°F
+46°F
+39°F
+48°F
+48°F
+46°F
+59°F
+37°F
+39°F
+39°F
+46°F
+39°F
+48°F
+39°F
+46°F
+39°F
24 Hours Forecast
Belfast
Local time: 16:37
February 05, thursday
1800
39°F
W
27 mph
2100
39°F
W
25 mph
February 06, friday
0000
41°F
W
24 mph
0300
41°F
W
23 mph
0600
39°F
W
24 mph
0900
39°F
W
25 mph
1200
39°F
W
24 mph
1500
39°F
W
23 mph
Units of measurement: °C / °F