World Resorts Portugal Sintra Weather

Sintra weather in May

Weather in Sintra: May

Average day temperature: 69.2°F
Average night temperature: 59.0°F
Sea water temperature: 61.0°F
Number of sunny days: 21 days
Day length: 13.8 - 14.7 hours
Number of rainy days: 3 days
Precipitation totals: 1.3 in.

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 51°F. Day and night temperature averages during May were 66.4°F and 57.1°F.

Sea water temperature in Sintra 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 61.9°F and 59.0°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
61%
26%
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
0.9
1.3
1.7
2.2
2.6
3.0
2.5
2.5
1.4
2.4
2.1
1.4
1.9
2.5
2.5
1.4
1.3
2.4
2.1
1.4
1.9

Precipitation total value in Sintra in May is 1.3 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
2.2
4.5
6.7
8.9
11.2
13.4
15.6
11.0
11.0
10.5
10.8
13.0
12.7
12.5
11.4
12.1
11.2
11.2
11.0
11.0
10.5
10.8
13.0
12.7
12.5
11.9
11.4
12.1
11.2
11.2

The average wind speed value in May is 11.9 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.2
4.3
6.5
8.6
10.8
13.0
15.1
5.7
6.1
6.9
9.1
11.9
12.6
10.7
8.3
6.8
6.2
5.7
5.7
6.1
6.9
9.1
11.9
12.6
10.7
10.3
8.3
6.8
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 Sintra

Sunniest months:
August 27 days
July 25 days
September 23 days
Warmest months:
August 78.6 °F
July 77.8 °F
September 76.9 °F
Warmest sea temp:
September 64.7 °F
October 64.3 °F
August 63.8 °F
Coldest months:
January 58.9 °F
February 59.6 °F
December 60.8 °F
Rainiest months:
March 4 days
November 4 days
January 4 days
Windiest months:
July 12.8 mph
August 12.5 mph
June 12.2 mph

Sintra on a weather map

Leaflet | Tiles © Esri
Places in Portugal:
Name
°F
+55°F
+57°F
+57°F
+57°F
+55°F
+63°F
+52°F
+54°F
+55°F
+54°F
+54°F
+55°F
+57°F
+63°F
24 Hours Forecast
Sintra
Local time: 20:39
March 18, tuesday
2100
57°F
N
12 mph
March 19, wednesday
0000
57°F
N
15 mph
0300
57°F
N
21 mph
0600
54°F
NW
24 mph
0900
55°F
NW
29 mph
1200
59°F
NW
30 mph
1500
61°F
N
30 mph
1800
57°F
NW
30 mph
Units of measurement: °C / °F