Average sea water temperature in December:
+63.1°F
| Minimum sea water temperature in December: | 66.6°F |
| Maximum sea water temperature in December: | 59.9°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 63.5°F. The highest and lowest sea temperatures during the month were 64.9°F and 62.2°F.
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| Terceira Island |
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| Terceira Island |
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| Terceira Island |
14 days
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| Terceira Island |
Monthly sea water temperature in Terceira Island, °F
Which Portugal resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Madeira | 69.1°F | 69.9°F |
| Funchal | 69.1°F | 69.9°F |
| Canico | 69.0°F | 69.7°F |
| Porto Santo Island | 68.5°F | 69.3°F |
| Santa Maria Island | 66.6°F | 66.9°F |
| Faial Island | 64.4°F | 65.6°F |
| Pico Island | 64.3°F | 65.5°F |
| Ponta Delgada | 64.2°F | 65.7°F |
| Sao Jorge | 64.1°F | 65.6°F |
| Sao Miguel | 64.1°F | 65.5°F |
| Flores Island | 63.9°F | 65.6°F |
| Graciosa | 63.7°F | 65.6°F |
| Corvo Island | 63.5°F | 65.0°F |
| Terceira Island | 63.5°F | 65.1°F |
| Algarve | 61.9°F | 64.2°F |
| Faro | 61.9°F | 64.2°F |
| Sagres | 61.5°F | 64.3°F |
| Alvor | 61.5°F | 63.8°F |
| Portimao | 61.5°F | 63.5°F |
| Albufeira | 61.5°F | 63.5°F |
Best time for vacation in Terceira Island
Terceira Island on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Terceira Island
Local time: 01:05
December 22, monday
0300
55°F
NE
11 mph
11 mph
0600
55°F
NE
12 mph
12 mph
0900
55°F
E
13 mph
13 mph
1200
59°F
E
12 mph
12 mph
1500
61°F
E
12 mph
12 mph
1800
59°F
E
13 mph
13 mph
2100
59°F
E
11 mph
11 mph
December 23, tuesday
0000
59°F
S
4 mph
4 mph
