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May weather forecast in Mariehamn
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
27
+8
+6
27 April, sun
+8
+6
Feels like
+3
746 mmHg
69%
8.3
m/s
SW
+4
27 April, Sunday. day, 8°; night, 6°; clear
28
+7
+7
28 April, mon
+7
+7
Feels like
+1
745 mmHg
77%
9.6
m/s
W
+4
28 April, Monday. day, 7°; night, 7°; clear
29
+7
+6
29 April, tue
+7
+6
Feels like
+1
747 mmHg
73%
9.1
m/s
SW
+4
29 April, Tuesday. day, 7°; night, 6°; clear
30
+8
+6
30 April, wed
+8
+6
Feels like
+2
749 mmHg
67%
8.5
m/s
SE
+4
30 April, Wednesday. day, 8°; night, 6°; partly cloudy
1
+7
+7
1 May, thu
+7
+7
Feels like
+1
749 mmHg
67%
8.1
m/s
NW
+4
1 May, Thursday. day, 7°; night, 7°; clear
2
+8
+7
2 May, fri
+8
+7
Feels like
+3
750 mmHg
66%
6.8
m/s
W
+4
2 May, Friday. day, 8°; night, 7°; partly cloudy
3
+7
+7
3 May, sat
+7
+7
Feels like
+1
748 mmHg
70%
8.1
m/s
N
+4
3 May, Saturday. day, 7°; night, 7°; partly cloudy
4
+8
+6
4 May, sun
+8
+6
Feels like
+3
747 mmHg
74%
7.3
m/s
SW
+5
4 May, Sunday. day, 8°; night, 6°; partly cloudy
5
+9
+7
5 May, mon
+9
+7
Feels like
+3
747 mmHg
72%
7.8
m/s
SW
+5
5 May, Monday. day, 9°; night, 7°; clear
6
+8
+7
6 May, tue
+8
+7
Feels like
+3
748 mmHg
68%
8.8
m/s
S
+5
6 May, Tuesday. day, 8°; night, 7°; partly cloudy
7
+9
+8
7 May, wed
+9
+8
Feels like
+2
748 mmHg
67%
8.3
m/s
N
+5
7 May, Wednesday. day, 9°; night, 8°; partly cloudy
8
+9
+8
8 May, thu
+9
+8
Feels like
+4
747 mmHg
68%
7.9
m/s
SW
+5
8 May, Thursday. day, 9°; night, 8°; partly cloudy
9
+10
+9
9 May, fri
+10
+9
Feels like
+5
746 mmHg
75%
6.9
m/s
SW
+5
9 May, Friday. day, 10°; night, 9°; rain
10
+11
+9
10 May, sat
+11
+9
Feels like
+6
746 mmHg
72%
7.5
m/s
SW
+6
10 May, Saturday. day, 11°; night, 9°; partly cloudy
11
+10
+8
11 May, sun
+10
+8
Feels like
+5
745 mmHg
76%
8.3
m/s
SW
+6
11 May, Sunday. day, 10°; night, 8°; partly cloudy
12
+8
+8
12 May, mon
+8
+8
Feels like
+2
744 mmHg
79%
9.3
m/s
NW
+6
12 May, Monday. day, 8°; night, 8°; partly cloudy
13
+8
+8
13 May, tue
+8
+8
Feels like
+3
746 mmHg
74%
7.5
m/s
NW
+6
13 May, Tuesday. day, 8°; night, 8°; clear
14
+8
+8
14 May, wed
+8
+8
Feels like
+2
746 mmHg
74%
8.8
m/s
NW
+6
14 May, Wednesday. day, 8°; night, 8°; clear
15
+9
+7
15 May, thu
+9
+7
Feels like
+4
746 mmHg
75%
8.1
m/s
SE
+6
15 May, Thursday. day, 9°; night, 7°; partly cloudy
16
+9
+8
16 May, fri
+9
+8
Feels like
+4
745 mmHg
79%
6.9
m/s
SE
+6
16 May, Friday. day, 9°; night, 8°; clear
17
+11
+9
17 May, sat
+11
+9
Feels like
+7
745 mmHg
82%
7
m/s
SE
+6
17 May, Saturday. day, 11°; night, 9°; overcast
18
+12
+10
18 May, sun
+12
+10
Feels like
+7
744 mmHg
81%
8.3
m/s
S
+6
18 May, Sunday. day, 12°; night, 10°; clear
19
+12
+10
19 May, mon
+12
+10
Feels like
+7
747 mmHg
75%
6.9
m/s
SW
+7
19 May, Monday. day, 12°; night, 10°; clear
20
+12
+10
20 May, tue
+12
+10
Feels like
+8
747 mmHg
76%
7
m/s
SW
+7
20 May, Tuesday. day, 12°; night, 10°; partly cloudy
21
+12
+11
21 May, wed
+12
+11
Feels like
+7
746 mmHg
73%
8.3
m/s
SW
+7
21 May, Wednesday. day, 12°; night, 11°; clear
22
+12
+11
22 May, thu
+12
+11
Feels like
+6
745 mmHg
76%
9.3
m/s
W
+7
22 May, Thursday. day, 12°; night, 11°; partly cloudy
23
+11
+11
23 May, fri
+11
+11
Feels like
+6
746 mmHg
69%
8.6
m/s
SW
+7
23 May, Friday. day, 11°; night, 11°; clear
24
+12
+11
24 May, sat
+12
+11
Feels like
+8
746 mmHg
72%
7.5
m/s
SW
+7
24 May, Saturday. day, 12°; night, 11°; partly cloudy
25
+11
+11
25 May, sun
+11
+11
Feels like
+6
747 mmHg
75%
8.5
m/s
N
+8
25 May, Sunday. day, 11°; night, 11°; rain
26
+11
+9
26 May, mon
+11
+9
Feels like
+6
745 mmHg
75%
8.8
m/s
W
+8
26 May, Monday. day, 11°; night, 9°; clear
27
+12
+10
27 May, tue
+12
+10
Feels like
+7
746 mmHg
74%
8
m/s
S
+8
27 May, Tuesday. day, 12°; night, 10°; clear
28
+12
+11
28 May, wed
+12
+11
Feels like
+6
746 mmHg
70%
9.1
m/s
W
+8
28 May, Wednesday. day, 12°; night, 11°; rain
29
+12
+11
29 May, thu
+12
+11
Feels like
+8
747 mmHg
73%
8.5
m/s
S
+8
29 May, Thursday. day, 12°; night, 11°; partly cloudy
30
+12
+11
30 May, fri
+12
+11
Feels like
+7
746 mmHg
73%
7.3
m/s
W
+9
30 May, Friday. day, 12°; night, 11°; clear
31
+12
+12
31 May, sat
+12
+12
Feels like
+7
747 mmHg
72%
8.6
m/s
NW
+9
31 May, Saturday. day, 12°; night, 12°; partly cloudy
Average data for 10 years
Mariehamn May
12
sunny days
3
days with precipitation
16
cloudy days
12 sunny days; 3 days with precipitation; 16 cloudy days;
74
%
air humidity
6
m/s
Wind
SW
31
mm of precipitation
(7% of annual average)
+6
°C
Water temperature
air humidity 74%; 31 millimeters of precipitation (7% of annual average); Wind south-westerly 6 Meters per second; Water temperature +6°
Weather graphs for May
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
NW
W
N
SW
SW
S
N
SW
SW
SW
SW
NW
NW
NW
SE
SE
SE
S
SW
SW
SW
W
SW
SW
N
W
S
W
S
W
NW
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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