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May weather forecast in Porto
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
+17
+13
27 April, sun
+17
+13
Feels like
+15
758 mmHg
62%
4.4
m/s
NW
+16
27 April, Sunday. day, 17°; night, 13°; rain
28
+16
+13
28 April, mon
+16
+13
Feels like
+14
757 mmHg
67%
4.1
m/s
NW
+16
28 April, Monday. day, 16°; night, 13°; clear
29
+15
+12
29 April, tue
+15
+12
Feels like
+13
756 mmHg
75%
5.1
m/s
NW
+16
29 April, Tuesday. day, 15°; night, 12°; clear
30
+16
+12
30 April, wed
+16
+12
Feels like
+14
758 mmHg
69%
4.5
m/s
NW
+16
30 April, Wednesday. day, 16°; night, 12°; clear
1
+18
+14
1 May, thu
+18
+14
Feels like
+15
758 mmHg
66%
5
m/s
N
+16
1 May, Thursday. day, 18°; night, 14°; clear
2
+19
+16
2 May, fri
+19
+16
Feels like
+17
758 mmHg
62%
4.9
m/s
NE
+16
2 May, Friday. day, 19°; night, 16°; clear
3
+20
+15
3 May, sat
+20
+15
Feels like
+18
756 mmHg
62%
5
m/s
S
+16
3 May, Saturday. day, 20°; night, 15°; rain
4
+18
+14
4 May, sun
+18
+14
Feels like
+17
757 mmHg
66%
4.4
m/s
SW
+16
4 May, Sunday. day, 18°; night, 14°; partly cloudy
5
+18
+14
5 May, mon
+18
+14
Feels like
+16
758 mmHg
68%
3.7
m/s
SW
+16
5 May, Monday. day, 18°; night, 14°; partly cloudy
6
+17
+14
6 May, tue
+17
+14
Feels like
+16
757 mmHg
72%
5
m/s
SW
+16
6 May, Tuesday. day, 17°; night, 14°; rain
7
+17
+15
7 May, wed
+17
+15
Feels like
+15
756 mmHg
79%
5
m/s
S
+16
7 May, Wednesday. day, 17°; night, 15°; rain
8
+17
+14
8 May, thu
+17
+14
Feels like
+15
756 mmHg
76%
4.9
m/s
W
+16
8 May, Thursday. day, 17°; night, 14°; clear
9
+18
+14
9 May, fri
+18
+14
Feels like
+16
755 mmHg
75%
5.3
m/s
SW
+16
9 May, Friday. day, 18°; night, 14°; clear
10
+18
+15
10 May, sat
+18
+15
Feels like
+16
755 mmHg
69%
4.9
m/s
W
+16
10 May, Saturday. day, 18°; night, 15°; rain
11
+19
+15
11 May, sun
+19
+15
Feels like
+17
757 mmHg
69%
4.3
m/s
NW
+16
11 May, Sunday. day, 19°; night, 15°; clear
12
+19
+15
12 May, mon
+19
+15
Feels like
+18
759 mmHg
68%
4.6
m/s
NW
+16
12 May, Monday. day, 19°; night, 15°; clear
13
+18
+14
13 May, tue
+18
+14
Feels like
+16
760 mmHg
68%
5.3
m/s
NW
+16
13 May, Tuesday. day, 18°; night, 14°; partly cloudy
14
+19
+14
14 May, wed
+19
+14
Feels like
+17
761 mmHg
64%
5.3
m/s
N
+16
14 May, Wednesday. day, 19°; night, 14°; rain
15
+20
+16
15 May, thu
+20
+16
Feels like
+18
759 mmHg
64%
4.1
m/s
NW
+17
15 May, Thursday. day, 20°; night, 16°; clear
16
+20
+15
16 May, fri
+20
+15
Feels like
+19
758 mmHg
62%
4.8
m/s
N
+17
16 May, Friday. day, 20°; night, 15°; clear
17
+19
+14
17 May, sat
+19
+14
Feels like
+17
758 mmHg
64%
5.3
m/s
NW
+16
17 May, Saturday. day, 19°; night, 14°; clear
18
+17
+13
18 May, sun
+17
+13
Feels like
+15
758 mmHg
70%
5
m/s
NW
+16
18 May, Sunday. day, 17°; night, 13°; clear
19
+19
+15
19 May, mon
+19
+15
Feels like
+17
759 mmHg
64%
4.5
m/s
N
+17
19 May, Monday. day, 19°; night, 15°; clear
20
+20
+15
20 May, tue
+20
+15
Feels like
+19
757 mmHg
62%
4.5
m/s
NW
+17
20 May, Tuesday. day, 20°; night, 15°; clear
21
+19
+16
21 May, wed
+19
+16
Feels like
+18
759 mmHg
67%
4.4
m/s
W
+17
21 May, Wednesday. day, 19°; night, 16°; clear
22
+20
+16
22 May, thu
+20
+16
Feels like
+18
759 mmHg
64%
4.6
m/s
NW
+17
22 May, Thursday. day, 20°; night, 16°; clear
23
+21
+16
23 May, fri
+21
+16
Feels like
+19
758 mmHg
62%
4.9
m/s
NW
+17
23 May, Friday. day, 21°; night, 16°; rain
24
+19
+15
24 May, sat
+19
+15
Feels like
+17
758 mmHg
68%
4.6
m/s
W
+17
24 May, Saturday. day, 19°; night, 15°; rain
25
+18
+15
25 May, sun
+18
+15
Feels like
+17
758 mmHg
70%
4.9
m/s
NW
+17
25 May, Sunday. day, 18°; night, 15°; rain
26
+19
+16
26 May, mon
+19
+16
Feels like
+18
758 mmHg
69%
4.3
m/s
W
+17
26 May, Monday. day, 19°; night, 16°; partly cloudy
27
+20
+16
27 May, tue
+20
+16
Feels like
+19
758 mmHg
63%
4.4
m/s
NW
+17
27 May, Tuesday. day, 20°; night, 16°; clear
28
+19
+15
28 May, wed
+19
+15
Feels like
+18
758 mmHg
75%
4.9
m/s
W
+17
28 May, Wednesday. day, 19°; night, 15°; clear
29
+20
+15
29 May, thu
+20
+15
Feels like
+18
760 mmHg
68%
5
m/s
NW
+17
29 May, Thursday. day, 20°; night, 15°; clear
30
+21
+16
30 May, fri
+21
+16
Feels like
+20
760 mmHg
63%
4.3
m/s
N
+17
30 May, Friday. day, 21°; night, 16°; rain
31
+22
+18
31 May, sat
+22
+18
Feels like
+22
760 mmHg
58%
4.6
m/s
N
+18
31 May, Saturday. day, 22°; night, 18°; clear
Average data for 10 years
Porto May
18
sunny days
9
days with precipitation
4
cloudy days
18 sunny days; 9 days with precipitation; 4 cloudy days;
68
%
air humidity
3.2
m/s
Wind
NW
73
mm of precipitation
(7% of annual average)
+17
°C
Water temperature
air humidity 68%; 73 millimeters of precipitation (7% of annual average); Wind north-westerly 3.2 Meters per second; Water temperature +17°
Weather graphs for May
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
N
NE
S
SW
SW
SW
S
W
SW
W
NW
NW
NW
N
NW
N
NW
NW
N
NW
W
NW
NW
W
NW
W
NW
W
NW
N
N
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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