Average sea water temperature in December:
+59.6°F
| Minimum sea water temperature in December: | 62.8°F |
| Maximum sea water temperature in December: | 56.8°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 60.6°F and 59.4°F.
Monthly sea water temperature in Lisbon, °F
Which Portugal resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Madeira | 69.4°F | 69.9°F |
| Funchal | 69.4°F | 69.9°F |
| Canico | 69.3°F | 69.7°F |
| Porto Santo Island | 69.0°F | 69.3°F |
| Santa Maria Island | 66.8°F | 66.9°F |
| Faial Island | 64.7°F | 65.6°F |
| Pico Island | 64.6°F | 65.5°F |
| Sao Jorge | 64.5°F | 65.6°F |
| Ponta Delgada | 64.4°F | 65.7°F |
| Sao Miguel | 64.3°F | 65.5°F |
| Flores Island | 64.2°F | 65.6°F |
| Graciosa | 63.9°F | 65.6°F |
| Terceira Island | 63.8°F | 65.1°F |
| Corvo Island | 63.8°F | 65.0°F |
| Algarve | 62.1°F | 64.2°F |
| Faro | 62.1°F | 64.2°F |
| Alvor | 61.7°F | 63.8°F |
| Sagres | 61.7°F | 64.3°F |
| Albufeira | 61.7°F | 63.5°F |
| Portimao | 61.7°F | 63.5°F |
Best time for vacation in Lisbon
Lisbon on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Lisbon
Local time: 20:30
December 16, tuesday
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
1500
59°F
SW
6 mph
6 mph
1800
57°F
S
7 mph
7 mph
