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May 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
28
+10
+8
28 April, Sunday. day, 10°; night, 8°; rain
29
+10
+7
29 April, Monday. day, 10°; night, 7°; rain
30
+11
+8
30 April, Tuesday. day, 11°; night, 8°; rain
1
+11
+8
1 May, Wednesday. day, 11°; night, 8°; rain
2
+11
+8
2 May, Thursday. day, 11°; night, 8°; partly cloudy
3
+12
+9
3 May, Friday. day, 12°; night, 9°; clear
4
+12
+10
4 May, Saturday. day, 12°; night, 10°; rain
5
+12
+10
5 May, Sunday. day, 12°; night, 10°; clear
6
+12
+9
6 May, Monday. day, 12°; night, 9°; overcast
7
+12
+10
7 May, Tuesday. day, 12°; night, 10°; rain
8
+13
+9
8 May, Wednesday. day, 13°; night, 9°; rain
9
+12
+10
9 May, Thursday. day, 12°; night, 10°; rain
10
+12
+9
10 May, Friday. day, 12°; night, 9°; rain
11
+12
+9
11 May, Saturday. day, 12°; night, 9°; rain
12
+12
+9
12 May, Sunday. day, 12°; night, 9°; rain
13
+12
+9
13 May, Monday. day, 12°; night, 9°; rain
14
+13
+9
14 May, Tuesday. day, 13°; night, 9°; rain
15
+12
+9
15 May, Wednesday. day, 12°; night, 9°; partly cloudy
16
+12
+9
16 May, Thursday. day, 12°; night, 9°; rain
17
+11
+10
17 May, Friday. day, 11°; night, 10°; rain
18
+12
+9
18 May, Saturday. day, 12°; night, 9°; overcast
19
+12
+10
19 May, Sunday. day, 12°; night, 10°; rain
20
+13
+10
20 May, Monday. day, 13°; night, 10°; overcast
21
+14
+11
21 May, Tuesday. day, 14°; night, 11°; clear
22
+14
+11
22 May, Wednesday. day, 14°; night, 11°; clear
23
+13
+11
23 May, Thursday. day, 13°; night, 11°; rain
24
+14
+10
24 May, Friday. day, 14°; night, 10°; partly cloudy
25
+14
+11
25 May, Saturday. day, 14°; night, 11°; rain
26
+13
+11
26 May, Sunday. day, 13°; night, 11°; rain
27
+13
+11
27 May, Monday. day, 13°; night, 11°; clear
28
+14
+11
28 May, Tuesday. day, 14°; night, 11°; rain
29
+14
+11
29 May, Wednesday. day, 14°; night, 11°; partly cloudy
30
+15
+11
30 May, Thursday. day, 15°; night, 11°; clear
31
+15
+12
31 May, Friday. day, 15°; night, 12°; rain
1
+16
+12
1 June, Saturday. day, 16°; night, 12°; clear
Average data for 10 years
Belfast May
6
sunny days
18
days with precipitation
7
cloudy days
6 sunny days; 18 days with precipitation; 7 cloudy days;
76
%
air humidity
5
m/s
Wind
SW
75
mm of precipitation
(9% of annual average)
+11
°C
Water temperature
air humidity 76%; 75 millimeters of precipitation (9% of annual average); Wind south-westerly 5 Meters per second; Water temperature +11°
Weather graphs for May
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SE
S
S
S
S
S
SE
S
S
NW
NW
SW
SW
SW
W
SW
SW
SW
SW
S
SW
SW
NW
SE
N
SW
W
NE
W
SW
SW
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Daytime temperature
Night-time temperature
Cities near you
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Cities with similar weather in May
Helsinki
Tallinn
Stockholm
Cholpon-Ata
Oslo
Yurmala
Palanga
Copenhagen
Wellington