Average sea water temperature in December:
+67.9°F
| Minimum sea water temperature in December: | 72.1°F |
| Maximum sea water temperature in December: | 64.2°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 68.0°F. The highest and lowest sea temperatures during the month were 70.2°F and 66.0°F.
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| Porto Santo Island |
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| Porto Santo Island |
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| Porto Santo Island |
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| Porto Santo Island |
Monthly sea water temperature in Porto Santo Island, °F
Which Portugal resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Madeira | 68.7°F | 69.9°F |
| Funchal | 68.7°F | 69.9°F |
| Canico | 68.6°F | 69.7°F |
| Porto Santo Island | 68.0°F | 69.3°F |
| Santa Maria Island | 66.3°F | 66.9°F |
| Faial Island | 64.1°F | 65.6°F |
| Pico Island | 63.9°F | 65.5°F |
| Sao Miguel | 63.8°F | 65.5°F |
| Ponta Delgada | 63.8°F | 65.7°F |
| Flores Island | 63.8°F | 65.6°F |
| Sao Jorge | 63.7°F | 65.6°F |
| Graciosa | 63.3°F | 65.6°F |
| Corvo Island | 63.3°F | 65.0°F |
| Terceira Island | 63.1°F | 65.1°F |
| Algarve | 61.4°F | 64.2°F |
| Faro | 61.4°F | 64.2°F |
| Sagres | 61.2°F | 64.3°F |
| Alvor | 61.1°F | 63.8°F |
| Lagos | 61.1°F | 64.0°F |
| Portimao | 61.1°F | 63.5°F |
Best time for vacation in Porto Santo Island
Porto Santo Island on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Porto Santo Island
Local time: 14:54
December 29, monday
1500
64°F
N
21 mph
21 mph
1800
64°F
NE
21 mph
21 mph
2100
64°F
NE
17 mph
17 mph
December 30, tuesday
0000
64°F
NE
12 mph
12 mph
0300
66°F
NE
7 mph
7 mph
0600
66°F
E
7 mph
7 mph
0900
66°F
E
8 mph
8 mph
1200
66°F
E
6 mph
6 mph
