Current sea water temperature:
+65.8°F
| Minimum sea water temperature in December: | 69.3°F |
| Maximum sea water temperature in December: | 61.7°F |
| Average sea water temperature in December: | 65.2°F |
| more information | |
14 days
forecast
forecast
| Santa Maria Island |
monthly
weather
weather
| Santa Maria Island |
Sea water temperature for the last 10 days:
| December 21 | 65.8°F | December 16 | 66.0°F |
| December 20 | 65.8°F | December 15 | 66.4°F |
| December 19 | 65.8°F | December 14 | 66.2°F |
| December 18 | 65.7°F | December 13 | 66.6°F |
| December 17 | 65.7°F | December 12 | 66.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Santa Maria Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Santa Maria Island was noticed in August, September and October.
Monthly Sea Temperatures in Santa Maria Island, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 74.8°F. The highest and lowest sea temperatures during the month were 76.1°F and 72.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 73.7°F. The highest and lowest sea temperatures during the month were 74.7°F and 72.1°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 74.1°F and 71.1°F.
current
weather
weather
| Santa Maria Island |
weather in
December
December
| Santa Maria Island |
Best time for vacation in Santa Maria Island
Santa Maria Island on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Santa Maria Island
Local time: 16:57
December 21, sunday
1800
61°F
SE
9 mph
9 mph
2100
61°F
S
6 mph
6 mph
December 22, monday
0000
61°F
E
7 mph
7 mph
0300
61°F
E
14 mph
14 mph
0600
61°F
E
15 mph
15 mph
0900
61°F
E
18 mph
18 mph
1200
63°F
E
18 mph
18 mph
1500
63°F
E
18 mph
18 mph
