Average sea water temperature in July:
+63.8°F
| Minimum sea water temperature in July: | 68.0°F |
| Maximum sea water temperature in July: | 58.5°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 66.5°F. The highest and lowest sea temperatures during the month were 68.0°F and 64.2°F.
Monthly sea water temperature in Cascais, °F
Which Portugal resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Madeira | 74.4°F | 73.5°F |
| Funchal | 74.4°F | 73.5°F |
| Canico | 74.1°F | 73.3°F |
| Porto Santo Island | 73.7°F | 72.1°F |
| Flores Island | 71.8°F | 71.1°F |
| Corvo Island | 71.8°F | 71.0°F |
| Lisbon | 71.1°F | 69.1°F |
| Santa Maria Island | 71.0°F | 71.8°F |
| Tavira | 71.0°F | 70.5°F |
| Graciosa | 70.4°F | 71.7°F |
| Sao Jorge | 70.4°F | 71.4°F |
| Algarve | 70.4°F | 70.4°F |
| Faro | 70.4°F | 70.4°F |
| Faial Island | 70.3°F | 71.1°F |
| Ponta Delgada | 70.2°F | 71.1°F |
| Pico Island | 70.2°F | 71.1°F |
| Sao Miguel | 70.0°F | 71.1°F |
| Terceira Island | 69.5°F | 70.8°F |
| Setubal | 69.5°F | 67.6°F |
| Quarteira | 69.3°F | 69.4°F |
Best time for vacation in Cascais
Cascais on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 18:10
August 05, wednesday
2100
70°F
S
16 mph
16 mph
August 06, thursday
0000
68°F
S
16 mph
16 mph
0300
68°F
S
16 mph
16 mph
0600
68°F
S
16 mph
16 mph
0900
70°F
S
16 mph
16 mph
1200
73°F
S
19 mph
19 mph
1500
73°F
S
19 mph
19 mph
1800
73°F
S
20 mph
20 mph
