Weather in Cascais in Summer
| June | July | August | ||||
| Average day temperature: | 71.5°F | 75.5°F | 76.8°F | |||
| Average night temperature: | 63.4°F | 65.7°F | 66.5°F | |||
| Sea water temperature: | 63.1°F | 63.7°F | 63.9°F | |||
| Number of sunny days: | 20 days | 26 days | 27 days | |||
| Day length: | 14.7 - 14.9 h. | 14.2 - 14.8 h. | 13.1 - 14.2 h. | |||
| Number of rainy days: | 1 day | 0 days | 0 days | |||
| Precipitation totals: | 0.4 in. | 0.1 in. | 0.1 in. | |||
Day & Night air temperature, °F
June
July
August
0
12
24
36
48
60
72
84
96
75.5
74.2
69.6
66.3
65.6
63.3
| Day temperature | Night temperature |
Sea water temperature, °F
June
July
August
0
10
20
30
40
50
60
70
80
63.9
63.7
63.1
Precipitation total, in.
June
July
August
0.0
0.1
0.2
0.2
0.3
0.4
0.5
0.6
0.1
0.1
0.5
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
3
3
5
9
27
26
19
| Cloudy days | Partly cloudy days | Sunny days |
Wind speed, mph
June
July
August
0.0
2.4
4.9
7.3
9.7
12.2
14.6
17.1
14.2
13.9
13.6
Average sunny hours
June
July
August
0
2
4
6
8
10
12
14
16
11.8
12.6
10.6
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Cascais
Cascais on a weather map
Leaflet | Tiles © Esri
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 08:04
March 18, tuesday
0900
57°F
E
11 mph
11 mph
1200
59°F
E
12 mph
12 mph
1500
59°F
NE
14 mph
14 mph
1800
57°F
N
15 mph
15 mph
2100
57°F
N
17 mph
17 mph
March 19, wednesday
0000
57°F
N
22 mph
22 mph
0300
57°F
N
26 mph
26 mph
0600
57°F
N
31 mph
31 mph
