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 59.3°F. The highest and lowest sea temperatures during the month were 60.6°F and 58.1°F.
Monthly sea water temperature in Lisbon, °F
Which Portugal resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Madeira | 68.9°F | 69.9°F |
| Funchal | 68.9°F | 69.9°F |
| Canico | 68.8°F | 69.7°F |
| Porto Santo Island | 68.2°F | 69.3°F |
| Santa Maria Island | 66.4°F | 66.9°F |
| Faial Island | 64.2°F | 65.6°F |
| Pico Island | 64.1°F | 65.5°F |
| Ponta Delgada | 64.0°F | 65.7°F |
| Sao Miguel | 64.0°F | 65.5°F |
| Sao Jorge | 63.9°F | 65.6°F |
| Flores Island | 63.9°F | 65.6°F |
| Graciosa | 63.5°F | 65.6°F |
| Corvo Island | 63.4°F | 65.0°F |
| Terceira Island | 63.2°F | 65.1°F |
| Algarve | 61.7°F | 64.2°F |
| Faro | 61.7°F | 64.2°F |
| Sagres | 61.4°F | 64.3°F |
| Alvor | 61.3°F | 63.8°F |
| Portimao | 61.3°F | 63.5°F |
| Lagos | 61.3°F | 64.0°F |
Best time for vacation in Lisbon
Lisbon on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Lisbon
Local time: 23:01
December 26, friday
0000
48°F
S
6 mph
6 mph
0300
50°F
S
8 mph
8 mph
0600
46°F
S
7 mph
7 mph
0900
46°F
S
6 mph
6 mph
1200
50°F
SW
4 mph
4 mph
1500
52°F
W
3 mph
3 mph
1800
50°F
W
6 mph
6 mph
2100
48°F
W
11 mph
11 mph
