World Resorts United Kingdom Belfast Weather

Belfast 7 Days Forecast

13.01
tue
Day
41°F
E 11 mph
Precip.
0%
Night
34°F
E 9 mph
Precip.
0%
14.01
wed
Day
41°F
N 14 mph
Precip.
82%
Night
39°F
E 6 mph
Precip.
74%
15.01
thu
Day
39°F
NE 9 mph
Precip.
0%
Night
34°F
NW 6 mph
Precip.
73%
16.01
fri
Day
41°F
N 1 mph
Precip.
0%
Night
39°F
W 5 mph
Precip.
65%
17.01
sat
Day
39°F
S 8 mph
Precip.
100%
Night
37°F
NW 9 mph
Precip.
77%
18.01
sun
Day
43°F
N 21 mph
Precip.
100%
Night
41°F
SE 6 mph
Precip.
100%
19.01
mon
Day
41°F
SE 3 mph
Precip.
0%
Night
36°F
SE 4 mph
Precip.
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

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 13.1 mph
January 12.3 mph

Belfast on a weather map

Belfast
+43°F
N 3 mph
Feels like: +41°F
Precip.: 100%
Places in United Kingdom:
Name
°F
+45°F
+43°F
+48°F
+48°F
+45°F
+52°F
+39°F
+45°F
+46°F
+48°F
+46°F
+50°F
+45°F
+45°F
+41°F
24 Hours Forecast
Belfast
Local time: 01:29
January 13, tuesday
0300
43°F
N
5 mph
0600
37°F
SE
12 mph
0900
39°F
E
9 mph
1200
41°F
E
11 mph
1500
41°F
E
14 mph
1800
36°F
E
10 mph
2100
36°F
E
9 mph
January 14, wednesday
0000
34°F
E
9 mph
Units of measurement: °C / °F