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May weather forecast in Keflavík
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
+5
+3
28 April, sun
+5
+3
Feels like
−3
752 mmHg
74%
11.1
m/s
E
+7
28 April, Sunday. day, 5°; night, 3°; rain
29
+4
+3
29 April, mon
+4
+3
Feels like
−2
754 mmHg
72%
8.5
m/s
N
+7
29 April, Monday. day, 4°; night, 3°; overcast
30
+5
+4
30 April, tue
+5
+4
Feels like
−3
753 mmHg
72%
9.8
m/s
NE
+7
30 April, Tuesday. day, 5°; night, 4°; rain
1
+6
+5
1 May, wed
+6
+5
Feels like
−1
753 mmHg
75%
11.1
m/s
SE
+7
1 May, Wednesday. day, 6°; night, 5°; rain
2
+7
+5
2 May, thu
+7
+5
Feels like
+1
752 mmHg
79%
10.1
m/s
SE
+7
2 May, Thursday. day, 7°; night, 5°; rain
3
+7
+5
3 May, fri
+7
+5
Feels like
0
751 mmHg
79%
10.8
m/s
N
+7
3 May, Friday. day, 7°; night, 5°; overcast
4
+7
+5
4 May, sat
+7
+5
Feels like
+1
751 mmHg
72%
8.3
m/s
N
+7
4 May, Saturday. day, 7°; night, 5°; overcast
5
+7
+5
5 May, sun
+7
+5
Feels like
+1
751 mmHg
72%
9.1
m/s
NE
+8
5 May, Sunday. day, 7°; night, 5°; partly cloudy
6
+7
+5
6 May, mon
+7
+5
Feels like
+1
753 mmHg
74%
7.9
m/s
N
+8
6 May, Monday. day, 7°; night, 5°; overcast
7
+7
+5
7 May, tue
+7
+5
Feels like
+1
755 mmHg
75%
7.8
m/s
N
+8
7 May, Tuesday. day, 7°; night, 5°; partly cloudy
8
+7
+6
8 May, wed
+7
+6
Feels like
+2
755 mmHg
69%
6.5
m/s
NE
+8
8 May, Wednesday. day, 7°; night, 6°; rain
9
+7
+5
9 May, thu
+7
+5
Feels like
+1
753 mmHg
74%
9
m/s
NE
+8
9 May, Thursday. day, 7°; night, 5°; rain
10
+7
+6
10 May, fri
+7
+6
Feels like
0
751 mmHg
74%
8.6
m/s
S
+8
10 May, Friday. day, 7°; night, 6°; rain
11
+6
+6
11 May, sat
+6
+6
Feels like
−1
750 mmHg
76%
9.3
m/s
S
+8
11 May, Saturday. day, 6°; night, 6°; rain
12
+8
+6
12 May, sun
+8
+6
Feels like
+1
751 mmHg
82%
10.5
m/s
SE
+8
12 May, Sunday. day, 8°; night, 6°; rain
13
+8
+6
13 May, mon
+8
+6
Feels like
+1
751 mmHg
81%
10.6
m/s
E
+8
13 May, Monday. day, 8°; night, 6°; clear
14
+7
+5
14 May, tue
+7
+5
Feels like
+1
752 mmHg
75%
9.3
m/s
N
+8
14 May, Tuesday. day, 7°; night, 5°; overcast
15
+7
+5
15 May, wed
+7
+5
Feels like
+1
751 mmHg
73%
8.1
m/s
N
+8
15 May, Wednesday. day, 7°; night, 5°; clear
16
+7
+6
16 May, thu
+7
+6
Feels like
+2
751 mmHg
72%
8.8
m/s
NE
+8
16 May, Thursday. day, 7°; night, 6°; rain
17
+7
+6
17 May, fri
+7
+6
Feels like
0
754 mmHg
75%
9.6
m/s
NE
+8
17 May, Friday. day, 7°; night, 6°; clear
18
+7
+6
18 May, sat
+7
+6
Feels like
+1
753 mmHg
73%
9.6
m/s
SE
+8
18 May, Saturday. day, 7°; night, 6°; clear
19
+7
+6
19 May, sun
+7
+6
Feels like
+1
753 mmHg
72%
8.5
m/s
E
+8
19 May, Sunday. day, 7°; night, 6°; rain
20
+8
+7
20 May, mon
+8
+7
Feels like
+3
752 mmHg
68%
7.8
m/s
N
+8
20 May, Monday. day, 8°; night, 7°; partly cloudy
21
+8
+7
21 May, tue
+8
+7
Feels like
+2
754 mmHg
68%
9
m/s
E
+8
21 May, Tuesday. day, 8°; night, 7°; rain
22
+8
+7
22 May, wed
+8
+7
Feels like
+1
751 mmHg
76%
11.1
m/s
SE
+8
22 May, Wednesday. day, 8°; night, 7°; rain
23
+9
+8
23 May, thu
+9
+8
Feels like
+2
751 mmHg
80%
11.1
m/s
SE
+8
23 May, Thursday. day, 9°; night, 8°; rain
24
+8
+7
24 May, fri
+8
+7
Feels like
+1
753 mmHg
79%
11.5
m/s
S
+8
24 May, Friday. day, 8°; night, 7°; clear
25
+8
+7
25 May, sat
+8
+7
Feels like
+1
753 mmHg
79%
11.3
m/s
SE
+8
25 May, Saturday. day, 8°; night, 7°; rain
26
+8
+7
26 May, sun
+8
+7
Feels like
+2
750 mmHg
81%
9.8
m/s
S
+9
26 May, Sunday. day, 8°; night, 7°; rain
27
+8
+7
27 May, mon
+8
+7
Feels like
+2
751 mmHg
81%
9.1
m/s
SE
+8
27 May, Monday. day, 8°; night, 7°; clear
28
+9
+8
28 May, tue
+9
+8
Feels like
+2
752 mmHg
79%
9.6
m/s
SE
+9
28 May, Tuesday. day, 9°; night, 8°; clear
29
+9
+7
29 May, wed
+9
+7
Feels like
+2
751 mmHg
81%
9.8
m/s
SE
+9
29 May, Wednesday. day, 9°; night, 7°; rain
30
+9
+8
30 May, thu
+9
+8
Feels like
+3
751 mmHg
76%
9.1
m/s
SE
+9
30 May, Thursday. day, 9°; night, 8°; rain
31
+10
+8
31 May, fri
+10
+8
Feels like
+3
751 mmHg
76%
8.8
m/s
SE
+9
31 May, Friday. day, 10°; night, 8°; rain
1
+9
+8
1 June, sat
+9
+8
Feels like
+4
755 mmHg
76%
8.1
m/s
SE
+9
1 June, Saturday. day, 9°; night, 8°; overcast
Average data for 10 years
Keflavík May
7
sunny days
17
days with precipitation
7
cloudy days
7 sunny days; 17 days with precipitation; 7 cloudy days;
75
%
air humidity
7
m/s
Wind
E
81
mm of precipitation
(7% of annual average)
+8
°C
Water temperature
air humidity 75%; 81 millimeters of precipitation (7% of annual average); Wind easterly 7 Meters per second; Water temperature +8°
Weather graphs for May
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SE
SE
N
N
NE
N
N
NE
NE
S
S
SE
E
N
N
NE
NE
SE
E
N
E
SE
SE
S
SE
S
SE
SE
SE
SE
SE
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
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Dunedin
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Saint John's
