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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
28
+7
+7
28 April, Sunday. day, 7°; night, 7°; clear
29
+7
+6
29 April, Monday. day, 7°; night, 6°; clear
30
+8
+6
30 April, Tuesday. day, 8°; night, 6°; partly cloudy
1
+7
+7
1 May, Wednesday. day, 7°; night, 7°; clear
2
+8
+7
2 May, Thursday. day, 8°; night, 7°; partly cloudy
3
+7
+7
3 May, Friday. day, 7°; night, 7°; partly cloudy
4
+8
+6
4 May, Saturday. day, 8°; night, 6°; partly cloudy
5
+9
+7
5 May, Sunday. day, 9°; night, 7°; clear
6
+8
+7
6 May, Monday. day, 8°; night, 7°; partly cloudy
7
+9
+8
7 May, Tuesday. day, 9°; night, 8°; partly cloudy
8
+9
+8
8 May, Wednesday. day, 9°; night, 8°; partly cloudy
9
+10
+9
9 May, Thursday. day, 10°; night, 9°; rain
10
+11
+9
10 May, Friday. day, 11°; night, 9°; partly cloudy
11
+10
+8
11 May, Saturday. day, 10°; night, 8°; partly cloudy
12
+8
+8
12 May, Sunday. day, 8°; night, 8°; partly cloudy
13
+8
+8
13 May, Monday. day, 8°; night, 8°; clear
14
+8
+8
14 May, Tuesday. day, 8°; night, 8°; clear
15
+9
+7
15 May, Wednesday. day, 9°; night, 7°; partly cloudy
16
+9
+8
16 May, Thursday. day, 9°; night, 8°; clear
17
+11
+9
17 May, Friday. day, 11°; night, 9°; overcast
18
+12
+10
18 May, Saturday. day, 12°; night, 10°; clear
19
+12
+10
19 May, Sunday. day, 12°; night, 10°; clear
20
+12
+10
20 May, Monday. day, 12°; night, 10°; partly cloudy
21
+12
+11
21 May, Tuesday. day, 12°; night, 11°; clear
22
+12
+11
22 May, Wednesday. day, 12°; night, 11°; partly cloudy
23
+11
+11
23 May, Thursday. day, 11°; night, 11°; clear
24
+12
+11
24 May, Friday. day, 12°; night, 11°; partly cloudy
25
+11
+11
25 May, Saturday. day, 11°; night, 11°; rain
26
+11
+9
26 May, Sunday. day, 11°; night, 9°; clear
27
+12
+10
27 May, Monday. day, 12°; night, 10°; clear
28
+12
+11
28 May, Tuesday. day, 12°; night, 11°; rain
29
+12
+11
29 May, Wednesday. day, 12°; night, 11°; partly cloudy
30
+12
+11
30 May, Thursday. day, 12°; night, 11°; clear
31
+12
+12
31 May, Friday. day, 12°; night, 12°; partly cloudy
1
+13
+12
1 June, Saturday. day, 13°; 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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