Measurements:
°C
°F
Porto
52°F
N 10 mph
Feels like: 48°F
Precip: 100%
World Resorts Portugal Porto Weather

Porto Sea Water Temperature

Current Sea Water Temperature:
+55.6°F
Maximum Sea Water Temperature in February: 59.6°F
Minimum Sea Water Temperature in February: 53.6°F
Average water temperature in February: 56.3°F

Sea Water Temperature for the Last 10 Days:

February 04 55.6°F January 30 55.8°F
February 03 55.6°F January 29 55.6°F
February 02 55.4°F January 28 55.4°F
February 01 54.8°F January 27 55.2°F
January 31 55.2°F January 26 55.0°F

When is the Warmest Sea for Porto?

According to our data for the last three years for Porto the highest average sea water temperature was in September, August and July.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Porto was 62.9°F. The maximum and minimum values were 57.0°F and 67.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Porto was 64.7°F. The maximum and minimum values were 60.0°F and 69.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Porto was 63.5°F. The maximum and minimum values were 58.6°F and 68.0°F respectively.

Best Time to Visit Porto
The most sunny months:
August 25 days
July 24 days
September 21 days
The most warm months:
August 81.0 °F
July 80.5 °F
September 78.3 °F
Warmest sea temperature:
September 64.8 °F
August 64.3 °F
July 63.9 °F
The most cold months:
January 56.9 °F
February 58.4 °F
December 59.3 °F
The most rainy months:
November 9 days
December 8 days
October 8 days
The most windy months:
March 8 mph
January 8 mph
February 8 mph

Porto on the Weather Map

Portugal Resorts:
NAME
Albufeira +62
Algarve +62
Cascais +60
Faro +62
Funchal +64
Lagos +62
Lisbon +60
Madeira +64
Ponta Delgada +56
Portimao +62
Porto +52
Porto Santo Island +66
Sao Miguel +56
Setubal +62
Sintra +60
24 Hours Weather Forecast
Porto
Local time: 21:03
05 feb, thursday
0000 52°F
N
13 mph
0300 56°F
NE
19 mph
0600 56°F
NE
22 mph
0900 56°F
NE
26 mph
1200 56°F
NE
27 mph
1500 54°F
NE
24 mph
1800 54°F
NE
22 mph
2100 52°F
E
21 mph

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