Current sea water temperature:
+66.9°F
| Minimum sea water temperature in July: | 68.4°F |
| Maximum sea water temperature in July: | 57.4°F |
| Average sea water temperature in July: | 62.6°F |
| more information | |
14 days
forecast
forecast
| Porto |
monthly
weather
weather
| Porto |
Sea water temperature for the last 10 days:
| July 16 | 66.9°F | July 11 | 63.1°F |
| July 15 | 65.3°F | July 10 | 63.1°F |
| July 14 | 64.6°F | July 9 | 63.0°F |
| July 13 | 63.5°F | July 8 | 62.8°F |
| July 12 | 64.0°F | July 7 | 62.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Porto?
Based on the data about daily sea water temperature for the last three years the warmest sea in Porto was noticed in September, August and July.
Monthly Sea Temperatures in Porto, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 61.6°F. The highest and lowest sea temperatures during the month were 65.7°F and 56.3°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.3°F. The highest and lowest sea temperatures during the month were 67.5°F and 59.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 63.5°F. The highest and lowest sea temperatures during the month were 66.9°F and 61.5°F.
current
weather
weather
| Porto |
weather in
July
July
| Porto |
Best time for vacation in Porto
Porto on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Porto
Local time: 11:19
July 16, thursday
1200
73°F
E
7 mph
7 mph
1500
73°F
E
10 mph
10 mph
1800
72°F
E
8 mph
8 mph
2100
68°F
E
3 mph
3 mph
July 17, friday
0000
66°F
SE
1 mph
1 mph
0300
64°F
S
3 mph
3 mph
0600
63°F
SW
2 mph
2 mph
0900
66°F
S
4 mph
4 mph
