World Resorts Portugal Porto Weather

Porto Sea Temperature in August

Average sea water temperature in August:
+63.1°F
Minimum sea water temperature in August: 69.3°F
Maximum sea water temperature in August: 57.9°F

Daily sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 66.5°F. The highest and lowest sea temperatures during the month were 69.3°F and 63.0°F.

Monthly sea water temperature in Porto, °F

Which Portugal resorts have warmest sea in August?

Place name August 2026 August 2025
Madeira 76.5°F 75.2°F
Funchal 76.5°F 75.2°F
Canico 76.4°F 75.0°F
Porto Santo Island 76.0°F 73.7°F
Corvo Island 75.1°F 75.0°F
Santa Maria Island 74.7°F 74.8°F
Flores Island 74.5°F 75.0°F
Sao Jorge 74.4°F 75.1°F
Pico Island 74.3°F 74.6°F
Faial Island 74.3°F 74.5°F
Graciosa 74.2°F 75.3°F
Terceira Island 73.6°F 74.3°F
Sao Miguel 73.2°F 74.1°F
Ponta Delgada 73.1°F 74.2°F
Lisbon 69.9°F 70.2°F
Setubal 68.8°F 68.4°F
Tavira 68.7°F 73.9°F
Faro 68.5°F 73.4°F
Algarve 68.5°F 73.4°F
Quarteira 67.3°F 72.5°F

Best time for vacation in Porto

Sunniest months:
August 25 days
July 24 days
September 20 days
Warmest months:
August 77.7 °F
July 77.3 °F
September 75.9 °F
Warmest sea temp:
September 63.3 °F
August 63.1 °F
July 62.8 °F
Coldest months:
January 56.2 °F
February 57.5 °F
December 58.3 °F
Rainiest months:
November 9 days
December 8 days
October 8 days
Windiest months:
February 8.5 mph
March 8.4 mph
January 8.3 mph

Porto on a weather map

Porto
+66°F
W 2 mph
Feels like: +66°F
Precip.: 4%
Places in Portugal:
Name
°F
+70°F
+70°F
+68°F
+70°F
+70°F
+68°F
+61°F
+66°F
+63°F
+66°F
+66°F
+64°F
+70°F
+61°F
+64°F
24 Hours Forecast
Porto
Local time: 03:55
October 05, monday
0600
64°F
W
4 mph
0900
68°F
W
4 mph
1200
79°F
W
5 mph
1500
84°F
SW
2 mph
1800
75°F
E
5 mph
2100
68°F
SW
2 mph
October 06, tuesday
0000
68°F
W
4 mph
0300
64°F
N
2 mph

Best place for vacation:

Units of measurement: °C / °F