World Resorts Portugal Sintra Weather

Sintra 14 Days Forecast

21.12
sun
Day
52°F
SE 19 mph
Precip.
100%
Night
48°F
SE 12 mph
Precip.
100%
22.12
mon
Day
55°F
SE 18 mph
Precip.
100%
Night
55°F
SE 18 mph
Precip.
0%
23.12
tue
Day
54°F
SE 14 mph
Precip.
100%
Night
46°F
S 18 mph
Precip.
0%
24.12
wed
Day
54°F
SW 12 mph
Precip.
0%
Night
50°F
SW 4 mph
Precip.
0%
25.12
thu
Day
52°F
W 4 mph
Precip.
0%
Night
48°F
S 6 mph
Precip.
0%
26.12
fri
Day
52°F
S 16 mph
Precip.
0%
Night
45°F
W 11 mph
Precip.
100%
27.12
sat
Day
52°F
W 20 mph
Precip.
0%
Night
48°F
W 17 mph
Precip.
0%
28.12
sun
Day
55°F
W 15 mph
Precip.
0%
Night
50°F
SW 7 mph
Precip.
0%
29.12
mon
Day
54°F
W 6 mph
Precip.
0%
Night
48°F
W 4 mph
Precip.
0%
30.12
tue
Day
52°F
W 12 mph
Precip.
0%
Night
46°F
W 7 mph
Precip.
0%
31.12
wed
Day
50°F
SW 4 mph
Precip.
0%
Night
48°F
S 9 mph
Precip.
0%
01.01
thu
Day
48°F
SW 17 mph
Precip.
0%
Night
45°F
SW 16 mph
Precip.
0%
02.01
fri
Day
54°F
W 19 mph
Precip.
0%
Night
48°F
W 14 mph
Precip.
0%
03.01
sat
Day
52°F
W 14 mph
Precip.
0%
Night
50°F
W 9 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 59.5°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

Current weather
11:18
Sintra
+52°F
SE 19 mph
Feels like: +46°F
Precip.: 100%
Places in Portugal:
Name
°F
Albufeira
+54°F
Algarve
+54°F
Cascais
+54°F
Quarteira
+54°F
Lagos
+54°F
Lisbon
+52°F
Madeira
+54°F
Ponta Delgada
+59°F
Portimao
+54°F
Porto
+48°F
Porto Santo Island
+64°F
Sao Miguel
+59°F
Terceira Island
+55°F
Faro
+54°F
Funchal
+54°F
all places
24 Hours Forecast
Sintra
Local time: 11:18
December 21, sunday
1200
52°F
SE
19 mph
1500
52°F
SE
19 mph
1800
50°F
SE
17 mph
2100
50°F
SE
15 mph
December 22, monday
0000
48°F
SE
12 mph
0300
48°F
SE
13 mph
0600
48°F
SE
16 mph
0900
50°F
S
17 mph
Units of measurement: °C / °F