World Resorts United Kingdom Belfast Weather

Belfast Sea Temperature in August

Average sea water temperature in August:
+57.8°F
Minimum sea water temperature in August: 63.0°F
Maximum sea water temperature in August: 54.3°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 61.0°F. The highest and lowest sea temperatures during the month were 62.8°F and 58.6°F.

Monthly sea water temperature in Belfast, °F

Which United Kingdom resorts have warmest sea in August?

Place name August 2025 August 2024
Gibraltar 70.0°F 72.6°F
Bristol 67.2°F 66.2°F
Bath 67.0°F 65.9°F
Bournemouth 66.8°F 66.2°F
London 66.7°F 67.7°F
Brighton 66.7°F 66.8°F
Liverpool 65.5°F 63.8°F
Torquay 65.2°F 63.5°F
Plymouth 63.3°F 62.7°F
York 62.1°F 62.1°F
Belfast 61.0°F 58.7°F
Glasgow 60.4°F 59.0°F
Scarborough 60.1°F 57.2°F
Middlesbrough 59.4°F 57.7°F
Edinburgh 59.0°F 57.3°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 43.8 °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 13.3 mph
January 12.3 mph

Belfast on a weather map

Belfast
+39°F
NW 8 mph
Feels like: +34°F
Precip.: 0%
Places in United Kingdom:
Name
°F
+41°F
+39°F
+48°F
+46°F
+43°F
+55°F
+37°F
+39°F
+41°F
+39°F
+41°F
+48°F
+39°F
+43°F
+41°F
24 Hours Forecast
Belfast
Local time: 08:47
December 05, friday
0900
39°F
NW
8 mph
1200
46°F
NW
24 mph
1500
43°F
NW
30 mph
1800
50°F
NW
21 mph
2100
48°F
N
9 mph
December 06, saturday
0000
46°F
N
10 mph
0300
45°F
N
8 mph
0600
45°F
N
7 mph
Units of measurement: °C / °F