World Resorts Portugal Sintra Weather

Sintra 14 Days Forecast

21.12
sun
Day
54°F
SE 17 mph
Precip.
100%
Night
54°F
SE 27 mph
Precip.
100%
22.12
mon
Day
57°F
SE 12 mph
Precip.
87%
Night
57°F
E 19 mph
Precip.
100%
23.12
tue
Day
59°F
SE 16 mph
Precip.
82%
Night
54°F
SE 21 mph
Precip.
100%
24.12
wed
Day
55°F
SE 25 mph
Precip.
100%
Night
50°F
S 12 mph
Precip.
0%
25.12
thu
Day
55°F
S 13 mph
Precip.
87%
Night
50°F
S 12 mph
Precip.
76%
26.12
fri
Day
50°F
SW 11 mph
Precip.
0%
Night
45°F
SW 7 mph
Precip.
0%
27.12
sat
Day
50°F
N 3 mph
Precip.
0%
Night
48°F
SE 1 mph
Precip.
100%
28.12
sun
Day
48°F
NW 7 mph
Precip.
100%
Night
48°F
W 14 mph
Precip.
0%
29.12
mon
Day
48°F
W 25 mph
Precip.
100%
Night
50°F
W 24 mph
Precip.
71%
30.12
tue
Day
50°F
W 24 mph
Precip.
0%
Night
46°F
W 13 mph
Precip.
69%
31.12
wed
Day
46°F
W 10 mph
Precip.
69%
Night
46°F
W 11 mph
Precip.
0%
01.01
thu
Day
50°F
W 21 mph
Precip.
100%
Night
50°F
W 12 mph
Precip.
100%
02.01
fri
Day
52°F
SW 13 mph
Precip.
0%
Night
50°F
SW 16 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 60.4°F. The highest and lowest sea temperatures during the month were 60.8°F and 59.7°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 60.0°F. The highest and lowest sea temperatures during the month were 60.8°F and 59.4°F.

Air temperature in Sintra, °F

Precipitation total in Sintra, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Sintra

Sunniest months:
August 27 days
July 26 days
September 23 days
Warmest months:
August 78.5 °F
July 77.7 °F
September 76.6 °F
Warmest sea temp:
September 64.6 °F
October 64.2 °F
August 63.9 °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 12.9 mph
August 12.4 mph
June 12.1 mph

Sintra on a weather map

Sintra
+54°F
E 21 mph
Feels like: +48°F
Precip.: 100%
Places in Portugal:
Name
°F
+54°F
+55°F
+55°F
+55°F
+55°F
+54°F
+52°F
+57°F
+55°F
+48°F
+57°F
+55°F
+52°F
24 Hours Forecast
Sintra
Local time: 00:20
December 21, sunday
0300
52°F
SE
22 mph
0600
52°F
SE
17 mph
0900
52°F
SE
14 mph
1200
54°F
SE
17 mph
1500
54°F
SE
21 mph
1800
54°F
SE
19 mph
2100
55°F
E
25 mph
December 22, monday
0000
54°F
SE
27 mph
Units of measurement: °C / °F