Average sea water temperature in May:
+63.1°F
| Minimum sea water temperature in May: | 68.7°F |
| Maximum sea water temperature in May: | 59.0°F |
Daily sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 63.9°F. The highest and lowest sea temperatures during the month were 66.4°F and 62.1°F.
Monthly sea water temperature in Lisbon, °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 Lisbon
Lisbon on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Lisbon
Local time: 13:56
December 16, tuesday
1500
55°F
S
30 mph
30 mph
1800
55°F
S
30 mph
30 mph
2100
55°F
S
26 mph
26 mph
December 17, wednesday
0000
54°F
S
22 mph
22 mph
0300
54°F
S
17 mph
17 mph
0600
54°F
S
14 mph
14 mph
0900
52°F
S
8 mph
8 mph
1200
55°F
S
7 mph
7 mph
