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:
2025
2024
2023

The average sea water temperature in May of 2025 was 61.7°F. The highest and lowest sea temperatures during the month were 63.3°F and 59.7°F.

Monthly sea water temperature in Sintra, °F

Which Portugal resorts have warmest sea in May?

Place name May 2025 May 2024
Madeira 68.3°F 68.8°F
Funchal 68.3°F 68.8°F
Canico 68.0°F 68.6°F
Porto Santo Island 66.9°F 68.2°F
Santa Maria Island 65.1°F 66.9°F
Algarve 64.5°F 61.9°F
Faro 64.5°F 61.9°F
Lisbon 63.9°F 62.8°F
Tavira 63.7°F 60.7°F
Quarteira 63.7°F 61.0°F
Ponta Delgada 63.5°F 65.3°F
Sao Miguel 63.5°F 65.1°F
Setubal 63.4°F 62.0°F
Flores Island 63.4°F 64.9°F
Corvo Island 63.3°F 65.1°F
Sao Jorge 63.2°F 65.4°F
Albufeira 63.2°F 60.3°F
Faial Island 63.1°F 64.9°F
Graciosa 63.1°F 65.1°F
Pico Island 63.1°F 64.9°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 58.9 °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
+61°F
E 17 mph
Feels like: +61°F
Precip.: 100%
Places in Portugal:
Name
°F
+57°F
+57°F
+63°F
+57°F
+61°F
+61°F
+54°F
+64°F
+59°F
+54°F
+64°F
+57°F
+54°F
24 Hours Forecast
Sintra
Local time: 04:20
December 05, friday
0600
59°F
E
15 mph
0900
61°F
E
15 mph
1200
63°F
E
15 mph
1500
63°F
E
14 mph
1800
61°F
E
9 mph
2100
61°F
E
8 mph
December 06, saturday
0000
59°F
NE
9 mph
0300
59°F
E
9 mph
Units of measurement: °C / °F