Average sea water temperature in May:
+59.7°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:
2025
2024
2023
The average sea water temperature in May of 2025 was 60.7°F. The highest and lowest sea temperatures during the month were 62.8°F and 58.5°F.
Monthly sea water temperature in Porto, °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 |
| Quarteira | 63.7°F | 61.0°F |
| Tavira | 63.7°F | 60.7°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 Porto
Porto on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Porto
Local time: 10:10
March 17, tuesday
1200
66°F
N
5 mph
5 mph
1500
66°F
NE
8 mph
8 mph
1800
59°F
NE
4 mph
4 mph
2100
57°F
N
9 mph
9 mph
March 18, wednesday
0000
57°F
NW
8 mph
8 mph
0300
55°F
NW
7 mph
7 mph
0600
55°F
NW
11 mph
11 mph
0900
55°F
NW
9 mph
9 mph
