Measurements:
°C
°F
Porto
54°F
W 9 mph
Feels like: 50°F
Precip: 2%
World Resorts Portugal Porto Weather

Porto Sea Water Temperature

Current Sea Water Temperature:
+61.8°F
Maximum Sea Water Temperature in October: 71.2°F
Minimum Sea Water Temperature in October: 57.6°F
Average water temperature in October: 63.8°F

Sea Water Temperature for the Last 10 Days:

October 18 61.8°F October 13 61.2°F
October 17 62.6°F October 12 60.6°F
October 16 62.8°F October 11 61.2°F
October 15 62.8°F October 10 61.4°F
October 14 61.8°F October 09 62.4°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Porto was 64.6°F. The maximum and minimum values were 59.0°F and 71.0°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Porto was 68.3°F. The maximum and minimum values were 64.4°F and 71.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Porto was 68.1°F. The maximum and minimum values were 62.8°F and 74.8°F respectively.

Best Time to Visit Porto
The most sunny months:
August 25 days
July 24 days
September 20 days
The most warm months:
August 80.8 °F
July 80.4 °F
September 78.8 °F
Warmest sea temperature:
September 64.8 °F
August 64.6 °F
July 64.2 °F
The most cold months:
January 56.9 °F
February 58.3 °F
December 59.3 °F
The most rainy months:
November 9 days
December 8 days
October 8 days
The most windy months:
February 8 mph
March 8 mph
January 8 mph

Porto on the Weather Map

Portugal Resorts:
NAME
F°
Albufeira +68
Algarve +68
Cascais +64
Ericeira +56
Faro +68
Funchal +54
Lagos +66
Lisbon +64
Madeira +54
Ponta Delgada +68
Portimao +60
Porto +54
Quarteira +68
Sao Miguel +68
Setubal +56
24 Hours Weather Forecast
Porto
Local time: 06:12
19 oct, monday
0900 54°F
W
8 mph
1200 66°F
W
7 mph
1500 72°F
S
4 mph
1800 68°F
SE
6 mph
2100 58°F
S
2 mph
20 oct, tuesday
0000 56°F
W
2 mph
0300 54°F
W
2 mph
0600 56°F
NW
1 mph

Looking for the Best Resort?