Current sea water temperature:
+67.5°F
| Minimum sea water temperature in December: | 72.1°F |
| Maximum sea water temperature in December: | 64.2°F |
| Average sea water temperature in December: | 68.0°F |
| more information | |
14 days
forecast
forecast
| Porto Santo Island |
monthly
weather
weather
| Porto Santo Island |
Sea water temperature for the last 10 days:
| December 17 | 67.5°F | December 12 | 68.7°F |
| December 16 | 67.6°F | December 11 | 68.7°F |
| December 15 | 67.8°F | December 10 | 69.1°F |
| December 14 | 68.0°F | December 9 | 69.3°F |
| December 13 | 68.4°F | December 8 | 69.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Porto Santo Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Porto Santo Island was noticed in September, August and October.
Monthly Sea Temperatures in Porto Santo Island, °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.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.7°F. The highest and lowest sea temperatures during the month were 74.8°F and 72.5°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 73.3°F. The highest and lowest sea temperatures during the month were 73.9°F and 72.7°F.
current
weather
weather
| Porto Santo Island |
weather in
December
December
| Porto Santo Island |
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: 22:47
December 18, thursday
0000
66°F
S
11 mph
11 mph
0300
64°F
SE
9 mph
9 mph
0600
64°F
SE
9 mph
9 mph
0900
64°F
SE
8 mph
8 mph
1200
64°F
E
12 mph
12 mph
1500
64°F
E
13 mph
13 mph
1800
66°F
E
14 mph
14 mph
2100
66°F
E
17 mph
17 mph
