Measurements:
°C
°F
Porto Santo Island
72°F
S 1 mph
Feels like: 72°F
Precip: 10%
World Resorts Portugal Porto Santo Island Weather

Porto Santo Island Sea Water Temperature

Current Sea Water Temperature:
+72.0°F
Maximum Sea Water Temperature in June: 75.6°F
Minimum Sea Water Temperature in June: 67.2°F
Average water temperature in June: 71.3°F

Sea Water Temperature for the Last 10 Days:

June 19 72.0°F June 14 70.2°F
June 18 71.0°F June 13 70.6°F
June 17 71.0°F June 12 70.0°F
June 16 70.4°F June 11 69.2°F
June 15 70.4°F June 10 69.6°F

When is the Warmest Sea for Porto Santo Island?

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

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 Santo Island was 76.8°F. The maximum and minimum values were 75.8°F and 77.8°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Porto Santo Island was 76.3°F. The maximum and minimum values were 75.0°F and 77.6°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Porto Santo Island was 75.9°F. The maximum and minimum values were 75.2°F and 76.6°F respectively.

Best Time to Visit Porto Santo Island
The most sunny months:
May 12 days
August 12 days
April 11 days
The most warm months:
August 78.4 °F
September 77.5 °F
July 75.9 °F
Warmest sea temperature:
September 77.2 °F
August 76.3 °F
October 76.0 °F
The most cold months:
February 64.5 °F
March 64.9 °F
January 65.9 °F
The most rainy months:
October 3 days
November 3 days
February 2 days
The most windy months:
March 16 mph
February 15 mph
November 14 mph

Porto Santo Island on the Weather Map

Portugal Resorts:
NAME
Albufeira +72
Algarve +76
Cascais +68
Faro +76
Funchal +66
Lagos +66
Lisbon +68
Madeira +66
Ponta Delgada +68
Portimao +68
Porto +66
Porto Santo Island +72
Quarteira +72
Sao Miguel +68
Setubal +66
24 Hours Weather Forecast
Porto Santo Island
Local time: 01:21
20 jun, saturday
0300 70°F
E
2 mph
0600 70°F
E
2 mph
0900 70°F
N
1 mph
1200 72°F
N
2 mph
1500 72°F
N
3 mph
1800 72°F
NE
2 mph
2100 74°F
E
3 mph
21 jun, sunday
0000 72°F
NW
1 mph