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 58.2°F. The highest and lowest sea temperatures during the month were 58.8°F and 57.6°F.
Monthly sea water temperature in Cascais, °F
Which Portugal resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Madeira | 66.5°F | 67.5°F |
| Funchal | 66.5°F | 67.5°F |
| Canico | 66.3°F | 67.5°F |
| Porto Santo Island | 65.2°F | 67.0°F |
| Santa Maria Island | 64.7°F | 64.2°F |
| Flores Island | 62.8°F | 63.1°F |
| Faial Island | 62.2°F | 64.0°F |
| Corvo Island | 62.2°F | 62.8°F |
| Pico Island | 62.1°F | 64.0°F |
| Sao Jorge | 62.0°F | 63.9°F |
| Sao Miguel | 61.8°F | 64.0°F |
| Ponta Delgada | 61.8°F | 64.0°F |
| Graciosa | 61.6°F | 63.9°F |
| Terceira Island | 61.3°F | 63.3°F |
| Sagres | 60.4°F | 62.1°F |
| Algarve | 59.9°F | 62.1°F |
| Faro | 59.9°F | 62.1°F |
| Lagos | 59.8°F | 61.9°F |
| Alvor | 59.5°F | 61.7°F |
| Tavira | 59.3°F | 61.6°F |
Best time for vacation in Cascais
Cascais on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 23:53
January 16, friday
0000
54°F
SE
12 mph
12 mph
0300
54°F
E
11 mph
11 mph
0600
54°F
E
16 mph
16 mph
0900
54°F
E
17 mph
17 mph
1200
55°F
SE
20 mph
20 mph
1500
54°F
SE
19 mph
19 mph
1800
52°F
SE
19 mph
19 mph
2100
52°F
SE
14 mph
14 mph
