Weather in Sintra in Summer
June | July | August | ||||
Average day temperature: | 73.2°F | 77.8°F | 78.6°F | |||
Average night temperature: | 62.0°F | 64.3°F | 65.2°F | |||
Sea water temperature: | 63.0°F | 63.5°F | 63.9°F | |||
Number of sunny days: | 20 days | 25 days | 27 days | |||
Day length: | 14.7 - 14.9 h. | 14.2 - 14.9 h. | 13.1 - 14.2 h. | |||
Number of rainy days: | 1 day | 0 days | 0 days | |||
Precipitation totals: | 0.5 in. | 0.1 in. | 0.2 in. |
Day & Night air temperature, °F
June
July
August
0
13
26
39
52
65
78
91
104
78.4
77.9
72.2
65.3
64.5
61.7
Day temperature | Night temperature |
Sea water temperature, °F
June
July
August
0
10
20
30
40
50
60
70
80
63.9
63.5
63
Precipitation total, in.
June
July
August
0.0
0.1
0.2
0.2
0.3
0.4
0.5
0.6
0.6
0.1
0.2
0.5
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
3
3
5
9
27
25
18
Cloudy days | Partly cloudy days | Sunny days |
Wind speed, mph
June
July
August
0.0
2.2
4.5
6.7
8.9
11.2
13.4
15.6
13
12.7
12.5
Average sunny hours
June
July
August
0
2
4
6
8
10
12
14
16
11.9
12.6
10.7
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 Sintra
Sintra on a weather map
Leaflet | Tiles © Esri
Places in Portugal:
Name
°F
24 Hours Forecast
Sintra
Local time: 22:05
March 19, wednesday
0000

57°F
N
15 mph
15 mph
0300

57°F
N
21 mph
21 mph
0600

54°F
NW
24 mph
24 mph
0900

55°F
NW
29 mph
29 mph
1200

59°F
NW
30 mph
30 mph
1500

61°F
N
30 mph
30 mph
1800

57°F
NW
30 mph
30 mph
2100

57°F
NW
37 mph
37 mph