31.12
wed
wed
Day
37°F
E 7 mph
Precip.
0%
0%
Night
37°F
E 15 mph
Precip.
78%
78%
01.01
thu
thu
Day
41°F
SE 14 mph
Precip.
0%
0%
Night
34°F
E 7 mph
Precip.
70%
70%
02.01
fri
fri
Day
37°F
SE 14 mph
Precip.
100%
100%
Night
32°F
SE 12 mph
Precip.
64%
64%
03.01
sat
sat
Day
36°F
SE 15 mph
Precip.
0%
0%
Night
32°F
SE 8 mph
Precip.
86%
86%
04.01
sun
sun
Day
36°F
NE 6 mph
Precip.
100%
100%
Night
28°F
E 4 mph
Precip.
0%
0%
05.01
mon
mon
Day
36°F
NE 6 mph
Precip.
85%
85%
Night
34°F
S 2 mph
Precip.
0%
0%
06.01
tue
tue
Day
39°F
NE 6 mph
Precip.
82%
82%
Night
45°F
E 19 mph
Precip.
0%
0%
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 47.3°F. The highest and lowest sea temperatures during the month were 49.3°F and 45.9°F.
Air temperature in Belfast, °F
Precipitation total in Belfast, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Belfast
Belfast on a weather map
Places in United Kingdom:
Name
°F
24 Hours Forecast
Belfast
Local time: 23:29
January 01, thursday
0000
37°F
E
15 mph
15 mph
0300
39°F
E
16 mph
16 mph
0600
41°F
SE
16 mph
16 mph
0900
41°F
SE
13 mph
13 mph
1200
41°F
SE
14 mph
14 mph
1500
39°F
SE
14 mph
14 mph
1800
37°F
SE
12 mph
12 mph
2100
36°F
SE
8 mph
8 mph
