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 66.7°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 | 76.6°F | 75.2°F |
| Funchal | 76.6°F | 75.2°F |
| Canico | 76.5°F | 75.0°F |
| Porto Santo Island | 75.9°F | 73.7°F |
| Corvo Island | 75.1°F | 75.0°F |
| Santa Maria Island | 74.9°F | 74.8°F |
| Flores Island | 74.6°F | 75.0°F |
| Sao Jorge | 74.5°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 | 73.5°F | 74.3°F |
| Sao Miguel | 73.2°F | 74.1°F |
| Ponta Delgada | 73.0°F | 74.2°F |
| Lisbon | 70.2°F | 70.2°F |
| Tavira | 69.4°F | 73.9°F |
| Setubal | 68.9°F | 68.4°F |
| Faro | 68.7°F | 73.4°F |
| Algarve | 68.7°F | 73.4°F |
| Quarteira | 67.6°F | 72.5°F |
Best time for vacation in Porto
Porto on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Porto
Local time: 17:09
August 25, tuesday
1800
72°F
E
7 mph
7 mph
2100
66°F
NE
2 mph
2 mph
August 26, wednesday
0000
64°F
N
3 mph
3 mph
0300
63°F
N
5 mph
5 mph
0600
61°F
NW
3 mph
3 mph
0900
63°F
N
7 mph
7 mph
1200
63°F
N
10 mph
10 mph
1500
66°F
NE
14 mph
14 mph
