Current sea water temperature:
+54.9°F
| Minimum sea water temperature in January: | 59.5°F |
| Maximum sea water temperature in January: | 52.9°F |
| Average sea water temperature in January: | 56.3°F |
| more information | |
14 days
forecast
forecast
| Porto |
monthly
weather
weather
| Porto |
Sea water temperature for the last 10 days:
| January 1 | 54.9°F | December 27 | 57.0°F |
| December 31 | 54.5°F | December 26 | 56.8°F |
| December 30 | 55.2°F | December 25 | 57.0°F |
| December 29 | 55.8°F | December 24 | 57.7°F |
| December 28 | 56.8°F | December 23 | 58.1°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
January
January
| Porto |
Best time for vacation in Porto
Porto on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Porto
Local time: 09:06
January 01, thursday
1200
48°F
W
9 mph
9 mph
1500
50°F
W
11 mph
11 mph
1800
50°F
W
12 mph
12 mph
2100
50°F
NW
12 mph
12 mph
January 02, friday
0000
50°F
W
14 mph
14 mph
0300
54°F
NW
17 mph
17 mph
0600
54°F
NW
18 mph
18 mph
0900
57°F
NW
16 mph
16 mph
