18.12
thu
thu
Day
55°F
SE 17 mph
Precip.
64%
64%
Night
54°F
SE 7 mph
Precip.
72%
72%
19.12
fri
fri
Day
55°F
E 11 mph
Precip.
0%
0%
Night
57°F
E 16 mph
Precip.
100%
100%
20.12
sat
sat
Day
55°F
SE 15 mph
Precip.
100%
100%
Night
55°F
SE 12 mph
Precip.
87%
87%
21.12
sun
sun
Day
57°F
SE 11 mph
Precip.
0%
0%
Night
54°F
NE 12 mph
Precip.
84%
84%
22.12
mon
mon
Day
59°F
SE 19 mph
Precip.
66%
66%
Night
54°F
SE 17 mph
Precip.
84%
84%
23.12
tue
tue
Day
55°F
SE 12 mph
Precip.
25%
25%
Night
54°F
NE 5 mph
Precip.
0%
0%
24.12
wed
wed
Day
59°F
N 7 mph
Precip.
24%
24%
Night
61°F
N 12 mph
Precip.
0%
0%
25.12
thu
thu
Day
63°F
N 13 mph
Precip.
100%
100%
Night
61°F
NE 11 mph
Precip.
100%
100%
26.12
fri
fri
Day
61°F
NE 6 mph
Precip.
100%
100%
Night
57°F
SW 12 mph
Precip.
78%
78%
27.12
sat
sat
Day
59°F
W 12 mph
Precip.
70%
70%
Night
59°F
NW 16 mph
Precip.
83%
83%
28.12
sun
sun
Day
61°F
N 17 mph
Precip.
100%
100%
Night
61°F
N 15 mph
Precip.
100%
100%
29.12
mon
mon
Day
63°F
N 12 mph
Precip.
61%
61%
Night
61°F
N 11 mph
Precip.
0%
0%
30.12
tue
tue
Day
61°F
N 12 mph
Precip.
0%
0%
Night
59°F
NW 11 mph
Precip.
0%
0%
31.12
wed
wed
Day
61°F
NW 14 mph
Precip.
62%
62%
Night
59°F
NW 17 mph
Precip.
100%
100%
sea water
temperature
temperature
| Terceira Island |
monthly
weather
weather
| Terceira Island |
current
weather
weather
| Terceira Island |
7 days
forecast
forecast
| Terceira Island |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 63.7°F. The highest and lowest sea temperatures during the month were 64.9°F and 62.6°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 63.3°F. The highest and lowest sea temperatures during the month were 64.2°F and 62.1°F.
Air temperature in Terceira Island, °F
Precipitation total in Terceira Island, in.
* Charts above show average data for the last 3 years.
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: 07:14
December 18, thursday
0900
54°F
SE
19 mph
19 mph
1200
55°F
SE
17 mph
17 mph
1500
54°F
SE
15 mph
15 mph
1800
54°F
SE
14 mph
14 mph
2100
54°F
SE
9 mph
9 mph
December 19, friday
0000
54°F
SE
7 mph
7 mph
0300
54°F
SE
6 mph
6 mph
0600
52°F
E
5 mph
5 mph
