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Belfast Harbour, United Kingdom Weather Averages

August is the hottest month in Belfast Harbour with an average temperature of 15°C (59°F) and the coldest is January at 4°C (39°F). .

Average Temperature Belfast Harbour

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Belfast Harbour

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Belfast Harbour : Next 24-Hour Weather

Today - 29th May 2026

Sunrise 04:57

Sunrise

Sunset 21:44

Sunset
21:00
Overcast
13°C (55°F)
22:00
Partly cloudy
12°C (52°F)
23:00
Overcast
10°C (50°F)

Tomorrow - 30th May 2026

Sunrise 04:57

Sunrise

Sunset 21:44

Sunset
0:00
Clear
10°C (49°F)
1:00
Clear
9°C (48°F)
2:00
Clear
9°C (47°F)
3:00
Clear
8°C (46°F)
4:00
Partly cloudy
8°C (46°F)
5:00
Partly cloudy
8°C (46°F)
6:00
Partly cloudy
9°C (48°F)
7:00
Partly cloudy
12°C (52°F)
8:00
Partly cloudy
14°C (56°F)
9:00
Overcast
15°C (59°F)
10:00
Overcast
16°C (60°F)
11:00
Overcast
17°C (61°F)
12:00
Overcast
18°C (64°F)
13:00
Cloudy
18°C (64°F)
14:00
Overcast
18°C (64°F)
15:00
Light drizzle
17°C (61°F)
16:00
Light drizzle
15°C (58°F)
17:00
Mist
15°C (57°F)
18:00
Patchy rain possible
15°C (59°F)
19:00
Patchy rain possible
15°C (58°F)
20:00
Patchy rain possible
14°C (56°F)