25.08
tue
tue
Day
73°F
S 7 mph
Precip.
10%
10%
Night
73°F
E 12 mph
Precip.
6%
6%
26.08
wed
wed
Day
73°F
S 11 mph
Precip.
35%
35%
Night
73°F
S 11 mph
Precip.
5%
5%
27.08
thu
thu
Day
73°F
S 16 mph
Precip.
13%
13%
Night
73°F
SW 18 mph
Precip.
14%
14%
28.08
fri
fri
Day
73°F
SW 17 mph
Precip.
4%
4%
Night
73°F
SW 20 mph
Precip.
15%
15%
29.08
sat
sat
Day
73°F
SW 16 mph
Precip.
18%
18%
Night
73°F
SW 14 mph
Precip.
14%
14%
30.08
sun
sun
Day
73°F
SW 16 mph
Precip.
7%
7%
Night
75°F
SW 17 mph
Precip.
19%
19%
31.08
mon
mon
Day
75°F
SW 16 mph
Precip.
30%
30%
Night
75°F
S 15 mph
Precip.
22%
22%
sea water
temperature
temperature
| Porto Santo Island |
monthly
weather
weather
| Porto Santo Island |
current
weather
weather
| Porto Santo Island |
14 days
forecast
forecast
| Porto Santo Island |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 75.9°F. The highest and lowest sea temperatures during the month were 76.6°F and 74.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 74.1°F. The highest and lowest sea temperatures during the month were 75.0°F and 73.2°F.
Air temperature in Porto Santo Island, °F
Precipitation total in Porto Santo Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Porto Santo Island
Porto Santo Island on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Porto Santo Island
Local time: 23:18
August 26, wednesday
0000
73°F
E
12 mph
12 mph
0300
73°F
E
13 mph
13 mph
0600
73°F
E
11 mph
11 mph
0900
73°F
NE
12 mph
12 mph
1200
73°F
S
11 mph
11 mph
1500
73°F
S
9 mph
9 mph
1800
73°F
S
11 mph
11 mph
2100
73°F
S
11 mph
11 mph
