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May weather forecast in Helsinki
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
+9
+6
28 April, sun
+9
+6
Feels like
+5
756 mmHg
75%
6.3
m/s
SW
+4
28 April, Sunday. day, 9°; night, 6°; clear
29
+9
+5
29 April, mon
+9
+5
Feels like
+5
759 mmHg
68%
5
m/s
SW
+4
29 April, Monday. day, 9°; night, 5°; clear
30
+11
+5
30 April, tue
+11
+5
Feels like
+6
760 mmHg
63%
5.5
m/s
S
+4
30 April, Tuesday. day, 11°; night, 5°; rain
1
+10
+6
1 May, wed
+10
+6
Feels like
+6
760 mmHg
62%
5.5
m/s
W
+4
1 May, Wednesday. day, 10°; night, 6°; clear
2
+11
+5
2 May, thu
+11
+5
Feels like
+7
760 mmHg
55%
5.4
m/s
W
+5
2 May, Thursday. day, 11°; night, 5°; partly cloudy
3
+10
+6
3 May, fri
+10
+6
Feels like
+7
759 mmHg
60%
5
m/s
W
+5
3 May, Friday. day, 10°; night, 6°; partly cloudy
4
+11
+6
4 May, sat
+11
+6
Feels like
+7
758 mmHg
62%
5.8
m/s
W
+5
4 May, Saturday. day, 11°; night, 6°; rain
5
+11
+6
5 May, sun
+11
+6
Feels like
+7
758 mmHg
62%
6.4
m/s
W
+5
5 May, Sunday. day, 11°; night, 6°; partly cloudy
6
+11
+6
6 May, mon
+11
+6
Feels like
+7
759 mmHg
60%
5.6
m/s
N
+5
6 May, Monday. day, 11°; night, 6°; partly cloudy
7
+11
+6
7 May, tue
+11
+6
Feels like
+7
759 mmHg
63%
5.5
m/s
NE
+5
7 May, Tuesday. day, 11°; night, 6°; overcast
8
+12
+7
8 May, wed
+12
+7
Feels like
+8
758 mmHg
62%
5.5
m/s
SW
+5
8 May, Wednesday. day, 12°; night, 7°; clear
9
+13
+7
9 May, thu
+13
+7
Feels like
+9
758 mmHg
66%
4.6
m/s
SW
+5
9 May, Thursday. day, 13°; night, 7°; clear
10
+14
+9
10 May, fri
+14
+9
Feels like
+11
757 mmHg
68%
4.9
m/s
SW
+6
10 May, Friday. day, 14°; night, 9°; partly cloudy
11
+13
+9
11 May, sat
+13
+9
Feels like
+10
756 mmHg
67%
5.5
m/s
SW
+6
11 May, Saturday. day, 13°; night, 9°; clear
12
+11
+9
12 May, sun
+11
+9
Feels like
+7
754 mmHg
72%
6.1
m/s
NE
+6
12 May, Sunday. day, 11°; night, 9°; rain
13
+13
+8
13 May, mon
+13
+8
Feels like
+8
756 mmHg
60%
6.1
m/s
NE
+6
13 May, Monday. day, 13°; night, 8°; partly cloudy
14
+11
+7
14 May, tue
+11
+7
Feels like
+7
758 mmHg
63%
5.5
m/s
SE
+6
14 May, Tuesday. day, 11°; night, 7°; partly cloudy
15
+13
+7
15 May, wed
+13
+7
Feels like
+9
758 mmHg
61%
4.9
m/s
SE
+7
15 May, Wednesday. day, 13°; night, 7°; partly cloudy
16
+13
+9
16 May, thu
+13
+9
Feels like
+9
757 mmHg
64%
5
m/s
SE
+7
16 May, Thursday. day, 13°; night, 9°; clear
17
+14
+10
17 May, fri
+14
+10
Feels like
+11
756 mmHg
73%
5
m/s
SE
+7
17 May, Friday. day, 14°; night, 10°; rain
18
+15
+10
18 May, sat
+15
+10
Feels like
+12
756 mmHg
72%
5.4
m/s
S
+7
18 May, Saturday. day, 15°; night, 10°; clear
19
+15
+10
19 May, sun
+15
+10
Feels like
+13
759 mmHg
64%
4.8
m/s
SW
+8
19 May, Sunday. day, 15°; night, 10°; clear
20
+15
+10
20 May, mon
+15
+10
Feels like
+12
759 mmHg
60%
4.9
m/s
SW
+8
20 May, Monday. day, 15°; night, 10°; partly cloudy
21
+16
+10
21 May, tue
+16
+10
Feels like
+14
758 mmHg
62%
5.4
m/s
SW
+9
21 May, Tuesday. day, 16°; night, 10°; partly cloudy
22
+15
+11
22 May, wed
+15
+11
Feels like
+12
756 mmHg
67%
5.8
m/s
S
+9
22 May, Wednesday. day, 15°; night, 11°; rain
23
+15
+11
23 May, thu
+15
+11
Feels like
+12
756 mmHg
63%
5.5
m/s
SW
+9
23 May, Thursday. day, 15°; night, 11°; rain
24
+16
+11
24 May, fri
+16
+11
Feels like
+13
756 mmHg
55%
5.4
m/s
SW
+9
24 May, Friday. day, 16°; night, 11°; partly cloudy
25
+17
+10
25 May, sat
+17
+10
Feels like
+13
756 mmHg
55%
5.8
m/s
W
+9
25 May, Saturday. day, 17°; night, 10°; rain
26
+14
+11
26 May, sun
+14
+11
Feels like
+10
756 mmHg
68%
6
m/s
SW
+9
26 May, Sunday. day, 14°; night, 11°; rain
27
+14
+10
27 May, mon
+14
+10
Feels like
+10
757 mmHg
63%
5.9
m/s
NW
+9
27 May, Monday. day, 14°; night, 10°; clear
28
+15
+10
28 May, tue
+15
+10
Feels like
+11
757 mmHg
64%
5.5
m/s
N
+10
28 May, Tuesday. day, 15°; night, 10°; rain
29
+15
+9
29 May, wed
+15
+9
Feels like
+12
758 mmHg
62%
5.1
m/s
S
+10
29 May, Wednesday. day, 15°; night, 9°; clear
30
+17
+11
30 May, thu
+17
+11
Feels like
+14
757 mmHg
62%
4.9
m/s
SE
+10
30 May, Thursday. day, 17°; night, 11°; clear
31
+18
+12
31 May, fri
+18
+12
Feels like
+15
758 mmHg
54%
5.6
m/s
SW
+10
31 May, Friday. day, 18°; night, 12°; partly cloudy
1
+16
+12
1 June, sat
+16
+12
Feels like
+13
758 mmHg
56%
6
m/s
NE
+10
1 June, Saturday. day, 16°; night, 12°; partly cloudy
Average data for 10 years
Helsinki May
10
sunny days
8
days with precipitation
13
cloudy days
10 sunny days; 8 days with precipitation; 13 cloudy days;
62
%
air humidity
4
m/s
Wind
SW
41
mm of precipitation
(6% of annual average)
+7
°C
Water temperature
air humidity 62%; 41 millimeters of precipitation (6% of annual average); Wind south-westerly 4 Meters per second; Water temperature +7°
Weather graphs for May
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
W
W
W
N
NE
SW
SW
SW
SW
NE
NE
SE
SE
SE
SE
S
SW
SW
SW
S
SW
SW
W
SW
NW
N
S
SE
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
Vyborg
Riga
Tallinn
Sovetskiy
Gdov
Ust'-Luga
Kingisepp
Yurmala
Narva
Cities with similar weather in May
Riga
Stockholm
Oslo
Yurmala
Palanga
Dublin
Copenhagen
Gdansk
Looe
