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Monthly weather forecast in Belfast
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
8
+8
+6
8 December, sun
+8
+6
Feels like
+2
758 mmHg
83%
10.3
m/s
SW
+10
8 December, Sunday. day, 8°; night, 6°; overcast
9
+7
+6
9 December, mon
+7
+6
Feels like
0
756 mmHg
81%
9.6
m/s
SW
+10
9 December, Monday. day, 7°; night, 6°; clear
10
+7
+7
10 December, tue
+7
+7
Feels like
+1
757 mmHg
80%
9.3
m/s
W
+10
10 December, Tuesday. day, 7°; night, 7°; partly cloudy
11
December
+4
+2
11 December, wed
+4
+2
Feels like
0
772 mmHg
92%
1.8
m/s
N
+11
Climate normal
+7
+6
11 December, Wednesday. day, 4°; night, 2°; partly cloudy
12
+7
+5
12 December, thu
+7
+5
Feels like
+2
769 mmHg
90%
2.8
m/s
E
+10
Climate normal
+7
+6
12 December, Thursday. day, 7°; night, 5°; overcast
13
+6
+3
13 December, fri
+6
+3
Feels like
+2
765 mmHg
92%
2.6
m/s
W
+10
Climate normal
+7
+6
13 December, Friday. day, 6°; night, 3°; light rain
14
+7
+7
14 December, sat
+7
+7
Feels like
−1
762 mmHg
85%
6.1
m/s
W
+10
Climate normal
+7
+6
14 December, Saturday. day, 7°; night, 7°; partly cloudy
15
+11
+10
15 December, sun
+11
+10
Feels like
+3
763 mmHg
89%
8.8
m/s
W
+11
Climate normal
+7
+7
15 December, Sunday. day, 11°; night, 10°; light rain
16
+11
+9
16 December, mon
+11
+9
Feels like
+4
764 mmHg
84%
8
m/s
SW
+11
Climate normal
+8
+7
16 December, Monday. day, 11°; night, 9°; light rain
17
+10
+9
17 December, tue
+10
+9
Feels like
+4
760 mmHg
83%
6.1
m/s
SW
+11
Climate normal
+7
+6
17 December, Tuesday. day, 10°; night, 9°; overcast
18
+10
+7
18 December, wed
+10
+7
Feels like
+3
751 mmHg
86%
7.7
m/s
SW
+11
Climate normal
+8
+7
18 December, Wednesday. day, 10°; night, 7°; rain
19
+8
+5
19 December, thu
+8
+5
Feels like
+1
752 mmHg
85%
7.4
m/s
W
+10
Climate normal
+7
+6
19 December, Thursday. day, 8°; night, 5°; rain
20
+9
+6
20 December, fri
+9
+6
Feels like
−1
761 mmHg
82%
8.6
m/s
W
+10
Climate normal
+8
+7
20 December, Friday. day, 9°; night, 6°; light rain
21
+9
+4
21 December, sat
+9
+4
Feels like
−2
755 mmHg
84%
10.7
m/s
SW
Climate normal
+8
+7
21 December, Saturday. day, 9°; night, 4°; overcast
22
+6
+3
22 December, sun
+6
+3
Feels like
−1
751 mmHg
84%
6.5
m/s
SW
Climate normal
+8
+7
22 December, Sunday. day, 6°; night, 3°; overcast
23
+9
+10
23 December, mon
+9
+10
Feels like
−2
765 mmHg
82%
10.3
m/s
SW
Climate normal
+7
+7
23 December, Monday. day, 9°; night, 10°; mostly clear
24
+11
+11
24 December, tue
+11
+11
Feels like
+6
772 mmHg
93%
6.6
m/s
SW
Climate normal
+7
+6
24 December, Tuesday. day, 11°; night, 11°; partly cloudy
25
+12
+11
25 December, wed
+12
+11
Feels like
+7
771 mmHg
95%
6.5
m/s
W
Climate normal
+7
+6
25 December, Wednesday. day, 12°; night, 11°; light rain
26
+11
+9
26 December, thu
+11
+9
Feels like
+9
774 mmHg
92%
2.5
m/s
W
Climate normal
+7
+6
26 December, Thursday. day, 11°; night, 9°; partly cloudy
27
+8
+7
27 December, fri
+8
+7
Feels like
+4
776 mmHg
89%
5.2
m/s
SW
Climate normal
+6
+6
27 December, Friday. day, 8°; night, 7°; mostly clear
28
+9
+9
28 December, sat
+9
+9
Feels like
+1
772 mmHg
86%
10
m/s
SW
Climate normal
+7
+6
28 December, Saturday. day, 9°; night, 9°; mostly clear
29
+11
+10
29 December, sun
+11
+10
Feels like
+2
768 mmHg
90%
12
m/s
W
Climate normal
+8
+7
29 December, Sunday. day, 11°; night, 10°; light rain
30
+11
+11
30 December, mon
+11
+11
Feels like
+6
768 mmHg
89%
7.6
m/s
W
Climate normal
+8
+7
30 December, Monday. day, 11°; night, 11°; light rain
31
+10
+10
31 December, tue
+10
+10
Feels like
−1
765 mmHg
81%
14.3
m/s
W
Climate normal
+8
+7
31 December, Tuesday. day, 10°; night, 10°; partly cloudy
1 January
+9
+6
1 January, wed
+9
+6
Feels like
+3
765 mmHg
81%
5.7
m/s
NW
Climate normal
+8
+5
1 January, Wednesday. day, 9°; night, 6°; light rain
2
+11
+9
2 January, thu
+11
+9
Feels like
0
761 mmHg
86%
12.9
m/s
W
Climate normal
+6
+5
2 January, Thursday. day, 11°; night, 9°; rain
3
+9
+9
3 January, fri
+9
+9
Feels like
+2
758 mmHg
82%
9.1
m/s
SW
Climate normal
+6
+6
3 January, Friday. day, 9°; night, 9°; partly cloudy
4
+9
+8
4 January, sat
+9
+8
Feels like
+2
755 mmHg
81%
8
m/s
SW
Climate normal
+6
+5
4 January, Saturday. day, 9°; night, 8°; partly cloudy
5
+8
+8
5 January, sun
+8
+8
Feels like
+2
755 mmHg
83%
7.5
m/s
E
Climate normal
+7
+6
5 January, Sunday. day, 8°; night, 8°; partly cloudy
6
+7
+7
6 January, mon
+7
+7
Feels like
−6
751 mmHg
78%
16.2
m/s
E
Climate normal
+7
+6
6 January, Monday. day, 7°; night, 7°; partly cloudy
7
+9
+10
7 January, tue
+9
+10
Feels like
−2
741 mmHg
88%
15.4
m/s
E
Climate normal
+7
+6
7 January, Tuesday. day, 9°; night, 10°; rain
8
+11
+9
8 January, wed
+11
+9
Feels like
+5
735 mmHg
92%
6.6
m/s
E
Climate normal
+7
+6
8 January, Wednesday. day, 11°; night, 9°; light rain
9
+11
+10
9 January, thu
+11
+10
Feels like
+3
732 mmHg
90%
9.8
m/s
S
Climate normal
+7
+6
9 January, Thursday. day, 11°; night, 10°; light rain
Average data for 10 years
Next, the average data for 10 years
10
+7
+5
10 January, fri
+7
+5
Feels like
0
750 mmHg
81%
10.8
m/s
SW
+9
10 January, Friday. day, 7°; night, 5°; rain
11
+7
+6
11 January, sat
+7
+6
Feels like
0
752 mmHg
81%
10.6
m/s
SW
+9
11 January, Saturday. day, 7°; night, 6°; rain
Average for 30 days
3
sunny days
14
days with precipitation
13
cloudy days
3 sunny days; 14 days with precipitation; 13 cloudy days;
86
%
air humidity
8.1
m/s
Wind
W
19
mm of precipitation
(3% of annual average)
+11
°C
Water temperature
air humidity 86%; 19 millimeters of precipitation (3% of annual average); Wind westerly 8.1 Meters per second; Water temperature +11°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
N
E
W
W
W
SW
SW
SW
W
W
SW
SW
SW
SW
W
W
SW
SW
W
W
W
NW
W
SW
SW
E
E
E
E
S
11
Average data for 10 years
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
January
2
3
4
5
6
7
8
9
Daytime temperature
Night-time temperature
