Weather in Cascais: May
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Average day temperature: | 68.2°F |
Average night temperature: | 60.3°F | |
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Sea water temperature: | 61.2°F |
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Number of sunny days: | 21 days |
Day length: | 13.8 - 14.7 hours | |
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Number of rainy days: | 3 days |
Precipitation totals: | 1.3 in. | |
more information |
14 days
forecast
forecast
Cascais |
sea water
temperature
temperature
Cascais |
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
12
24
36
48
60
72
84
96
Day temperature | Night temperature |
The highest day temperature during May of 2024 was 73°F. At the same time the lowest night temperature was 54°F. Daily and nightly averages during May were 64.4°F and 58.7°F.
Sea water temperature in Cascais in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
53
56
59
62
65
68
The average sea water temperature in May of 2024 was 60.1°F. The highest and lowest sea temperatures during the month were 61.7°F and 58.6°F.
Sunny, partly cloudy and cloudy days
Sunny days | |
Partly cloudy days | |
Cloudy days |
63%
23%
13%
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
0.4
0.8
1.2
1.7
2.1
2.5
2.9
2.4
2.1
1.7
1.7
1.6
1.3
1.6
2.4
2.1
1.7
1.2
1.7
1.6
1.3
1.6
Precipitation total value in Cascais in May is 1.2 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
2.4
4.9
7.3
9.7
12.2
14.6
17.1
12.2
12.2
11.4
11.8
14.2
13.9
13.6
12.5
13.3
12.3
12.4
12.2
12.2
11.4
11.8
14.2
13.9
13.6
13.0
12.5
13.3
12.3
12.4
The average wind speed value in May is 13.0 mph
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.2
4.3
6.5
8.7
10.8
13.0
15.2
17.3
5.5
6.0
6.9
9.0
11.8
12.6
10.6
8.4
6.5
6.2
5.7
5.5
6.0
6.9
9.0
11.8
12.6
10.6
10.3
8.4
6.5
6.2
5.7
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: 10.3.
Best time for vacation in Cascais
Cascais on a weather map
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Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 19:04
April 21, monday
2100

57°F
SE
12 mph
12 mph
April 22, tuesday
0000

55°F
S
11 mph
11 mph
0300

55°F
S
11 mph
11 mph
0600

55°F
S
11 mph
11 mph
0900

59°F
S
15 mph
15 mph
1200

61°F
S
17 mph
17 mph
1500

61°F
S
17 mph
17 mph
1800

59°F
S
17 mph
17 mph