Current sea water temperature:
+64.9°F
| Minimum sea water temperature in December: | 66.6°F |
| Maximum sea water temperature in December: | 59.9°F |
| Average sea water temperature in December: | 63.1°F |
| more information | |
14 days
forecast
forecast
| Terceira Island |
monthly
weather
weather
| Terceira Island |
Sea water temperature for the last 10 days:
| December 4 | 64.9°F | November 29 | 64.9°F |
| December 3 | 64.4°F | November 28 | 65.1°F |
| December 2 | 64.4°F | November 27 | 65.3°F |
| December 1 | 64.8°F | November 26 | 65.1°F |
| November 30 | 64.8°F | November 25 | 64.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Terceira Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Terceira Island was noticed in August, September and July.
Monthly Sea Temperatures in Terceira Island, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 74.3°F. The highest and lowest sea temperatures during the month were 75.9°F and 72.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 72.6°F. The highest and lowest sea temperatures during the month were 74.1°F and 70.7°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 70.8°F. The highest and lowest sea temperatures during the month were 72.7°F and 68.4°F.
current
weather
weather
| Terceira Island |
weather in
December
December
| Terceira Island |
Best time for vacation in Terceira Island
Terceira Island on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Terceira Island
Local time: 02:54
December 05, friday
0300
63°F
NE
22 mph
22 mph
0600
63°F
NE
21 mph
21 mph
0900
63°F
NE
19 mph
19 mph
1200
63°F
NE
19 mph
19 mph
1500
63°F
NE
22 mph
22 mph
1800
63°F
NE
21 mph
21 mph
2100
63°F
NE
24 mph
24 mph
December 06, saturday
0000
64°F
NE
27 mph
27 mph
