World Resorts Portugal Sintra Weather

Sintra Sea Temperature in May

Average sea water temperature in May:
+61.1°F
Minimum sea water temperature in May: 66.2°F
Maximum sea water temperature in May: 57.0°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 61.2°F. The highest and lowest sea temperatures during the month were 63.5°F and 59.2°F.

Monthly sea water temperature in Sintra, °F

Which Portugal resorts have warmest sea in May?

Place name May 2026 May 2025
Madeira 66.4°F 68.3°F
Funchal 66.4°F 68.3°F
Canico 66.0°F 68.0°F
Porto Santo Island 65.7°F 66.9°F
Lisbon 63.8°F 63.9°F
Faro 63.8°F 64.5°F
Algarve 63.8°F 64.5°F
Tavira 63.7°F 63.7°F
Quarteira 63.2°F 63.7°F
Setubal 63.2°F 63.4°F
Santa Maria Island 63.1°F 65.1°F
Albufeira 62.9°F 63.2°F
Portimao 62.6°F 62.6°F
Alvor 62.6°F 62.6°F
Lagos 62.3°F 62.3°F
Sao Miguel 62.3°F 63.5°F
Ponta Delgada 62.2°F 63.5°F
Corvo Island 62.1°F 63.3°F
Flores Island 61.9°F 63.4°F
Faial Island 61.9°F 63.1°F

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 58.7 °F
February 59.4 °F
December 60.6 °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
+64°F
SE 6 mph
Feels like: +64°F
Precip.: 14%
Places in Portugal:
Name
°F
+64°F
+68°F
+64°F
+66°F
+64°F
+66°F
+66°F
+61°F
+64°F
+61°F
+61°F
+66°F
+68°F
+66°F
24 Hours Forecast
Sintra
Local time: 07:54
June 06, saturday
0900
64°F
SE
6 mph
1200
68°F
S
12 mph
1500
68°F
S
19 mph
1800
66°F
S
17 mph
2100
61°F
S
19 mph
June 07, sunday
0000
59°F
S
18 mph
0300
59°F
S
17 mph
0600
59°F
S
14 mph
Units of measurement: °C / °F