Average sea water temperature in January:
+58.8°F
| Minimum sea water temperature in January: | 61.5°F |
| Maximum sea water temperature in January: | 55.2°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 57.7°F. The highest and lowest sea temperatures during the month were 58.8°F and 56.7°F.
Monthly sea water temperature in Cascais, °F
Which Portugal resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Madeira | 66.0°F | 67.5°F |
| Funchal | 66.0°F | 67.5°F |
| Canico | 65.9°F | 67.5°F |
| Porto Santo Island | 64.6°F | 67.0°F |
| Santa Maria Island | 63.6°F | 64.2°F |
| Flores Island | 62.0°F | 63.1°F |
| Faial Island | 61.8°F | 64.0°F |
| Pico Island | 61.8°F | 64.0°F |
| Corvo Island | 61.6°F | 62.8°F |
| Sao Jorge | 61.6°F | 63.9°F |
| Ponta Delgada | 61.4°F | 64.0°F |
| Sao Miguel | 61.3°F | 64.0°F |
| Graciosa | 61.0°F | 63.9°F |
| Terceira Island | 60.8°F | 63.3°F |
| Faro | 59.5°F | 62.1°F |
| Algarve | 59.5°F | 62.1°F |
| Sagres | 59.5°F | 62.1°F |
| Lagos | 59.1°F | 61.9°F |
| Tavira | 59.0°F | 61.6°F |
| Alvor | 58.9°F | 61.7°F |
Best time for vacation in Cascais
Cascais on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 12:56
April 06, monday
1500
63°F
N
17 mph
17 mph
1800
66°F
NW
20 mph
20 mph
2100
63°F
NW
16 mph
16 mph
April 07, tuesday
0000
63°F
N
17 mph
17 mph
0300
61°F
N
17 mph
17 mph
0600
59°F
NE
12 mph
12 mph
0900
55°F
E
17 mph
17 mph
1200
54°F
NE
17 mph
17 mph
