17.12
wed
wed
Day
64°F
NE 16 mph
Precip.
100%
100%
Night
59°F
SE 16 mph
Precip.
100%
100%
18.12
thu
thu
Day
55°F
SE 17 mph
Precip.
72%
72%
Night
54°F
SE 6 mph
Precip.
63%
63%
19.12
fri
fri
Day
55°F
E 11 mph
Precip.
0%
0%
Night
57°F
SE 16 mph
Precip.
100%
100%
20.12
sat
sat
Day
55°F
SE 14 mph
Precip.
66%
66%
Night
55°F
SE 15 mph
Precip.
80%
80%
21.12
sun
sun
Day
57°F
SE 13 mph
Precip.
0%
0%
Night
54°F
SE 9 mph
Precip.
0%
0%
22.12
mon
mon
Day
57°F
E 13 mph
Precip.
0%
0%
Night
57°F
E 11 mph
Precip.
0%
0%
23.12
tue
tue
Day
59°F
NE 7 mph
Precip.
52%
52%
Night
59°F
NE 6 mph
Precip.
100%
100%
24.12
wed
wed
Day
63°F
E 6 mph
Precip.
100%
100%
Night
61°F
NE 3 mph
Precip.
41%
41%
25.12
thu
thu
Day
63°F
N 4 mph
Precip.
27%
27%
Night
61°F
N 7 mph
Precip.
0%
0%
26.12
fri
fri
Day
61°F
N 17 mph
Precip.
100%
100%
Night
61°F
N 13 mph
Precip.
100%
100%
27.12
sat
sat
Day
59°F
NW 9 mph
Precip.
77%
77%
Night
57°F
SW 9 mph
Precip.
72%
72%
28.12
sun
sun
Day
61°F
W 7 mph
Precip.
70%
70%
Night
59°F
NW 17 mph
Precip.
100%
100%
29.12
mon
mon
Day
57°F
W 19 mph
Precip.
40%
40%
Night
57°F
W 17 mph
Precip.
86%
86%
30.12
tue
tue
Day
57°F
W 14 mph
Precip.
78%
78%
Night
57°F
W 11 mph
Precip.
47%
47%
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 63.8°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: 21:49
December 18, thursday
0000
59°F
SE
16 mph
16 mph
0300
57°F
SE
17 mph
17 mph
0600
55°F
SE
17 mph
17 mph
0900
55°F
SE
17 mph
17 mph
1200
55°F
SE
17 mph
17 mph
1500
54°F
SE
14 mph
14 mph
1800
54°F
S
13 mph
13 mph
2100
54°F
S
9 mph
9 mph
