Weather in Porto: May
 |
Average day temperature: | 68.7°F |
| Average night temperature: | 56.9°F | |
 |
Sea water temperature: | 59.7°F |
 |
Number of sunny days: | 18 days |
| Day length: | 14.0 - 14.9 hours | |
 |
Number of rainy days: | 4 days |
| Precipitation totals: | 2.3 in. | |
| more information | ||
14 days
forecast
forecast
| Porto |
sea water
temperature
temperature
| Porto |
Air temperature in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
104
| Day temperature | Night temperature |
The highest day temperature during May of 2024 was 77°F. At the same time the lowest night temperature was 49°F. Daily and nightly averages during May were 63.7°F and 55.7°F.
Sea water temperature in Porto in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
52
55
58
61
64
67
The average sea water temperature in May of 2024 was 58.6°F. The highest and lowest sea temperatures during the month were 60.1°F and 57.4°F.
Sunny, partly cloudy and cloudy days
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
55%
23%
23%
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.2
2.4
3.6
4.8
5.9
7.1
8.3
6.9
6.0
5.2
1.4
1.7
4.2
4.7
3.9
5.5
6.9
6.0
5.2
1.4
1.7
2.3
4.2
4.7
3.9
5.5
Precipitation total value in Porto in May is 2.3 in. Other months of the year show relatively similar values.
Wind speed in May, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.1
4.7
6.2
7.8
9.3
10.9
8.2
8.3
7.7
7.0
7.3
7.4
7.7
8.1
9.0
8.4
8.5
8.2
8.3
7.7
7.0
7.3
7.4
7.7
8.1
8.1
9.0
8.4
8.5
The average wind speed value in May is 8.1 mph
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.1
4.1
6.2
8.2
10.3
12.3
14.4
4.9
5.2
6.0
8.3
11.8
12.0
9.7
8.4
6.4
5.8
5.4
4.9
5.2
6.0
8.3
11.8
12.0
9.7
9.3
8.4
6.4
5.8
5.4
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 9.3.
Best time for vacation in Porto
Porto on a weather map
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Places in Portugal:
Name
°F
24 Hours Forecast
Porto
Local time: 02:49
April 10, thursday
0300
63°F
W
4 mph
4 mph
0600
63°F
W
7 mph
7 mph
0900
68°F
NW
4 mph
4 mph
1200
72°F
E
3 mph
3 mph
1500
72°F
SE
7 mph
7 mph
1800
64°F
E
1 mph
1 mph
2100
63°F
W
2 mph
2 mph
April 11, friday
0000
61°F
SW
4 mph
4 mph
