Current sea water temperature:
+58.8°F
| Minimum sea water temperature in April: | 63.0°F |
| Maximum sea water temperature in April: | 54.0°F |
| Average sea water temperature in April: | 57.8°F |
| more information | |
14 days
forecast
forecast
| Porto |
monthly
weather
weather
| Porto |
Sea water temperature for the last 10 days:
| April 26 | 58.8°F | April 21 | 57.6°F |
| April 25 | 59.9°F | April 20 | 57.7°F |
| April 24 | 58.8°F | April 19 | 57.0°F |
| April 23 | 58.3°F | April 18 | 57.0°F |
| April 22 | 58.5°F | April 17 | 57.2°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:
2025
2024
2023
The average sea water temperature in July of 2025 was 62.2°F. The highest and lowest sea temperatures during the month were 66.2°F and 57.7°F.
current
weather
weather
| Porto |
weather in
April
April
| Porto |
Best time for vacation in Porto
Porto on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Porto
Local time: 20:22
April 26, sunday
2100
63°F
S
7 mph
7 mph
April 27, monday
0000
63°F
S
5 mph
5 mph
0300
61°F
SW
4 mph
4 mph
0600
61°F
SW
3 mph
3 mph
0900
66°F
SW
2 mph
2 mph
1200
73°F
SE
3 mph
3 mph
1500
72°F
SE
9 mph
9 mph
1800
70°F
S
9 mph
9 mph
