Average sea water temperature in May:
+59.9°F
| Minimum sea water temperature in May: | 65.3°F |
| Maximum sea water temperature in May: | 55.4°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 61.4°F. The highest and lowest sea temperatures during the month were 64.4°F and 58.8°F.
Monthly sea water temperature in Porto, °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 Porto
Porto on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Porto
Local time: 12:06
July 16, thursday
1500
73°F
E
10 mph
10 mph
1800
72°F
E
8 mph
8 mph
2100
68°F
E
3 mph
3 mph
July 17, friday
0000
66°F
SE
1 mph
1 mph
0300
64°F
S
3 mph
3 mph
0600
63°F
SW
2 mph
2 mph
0900
66°F
S
4 mph
4 mph
1200
72°F
SE
8 mph
8 mph
