17.05
sun
sun
Day
61°F
NE 11 mph
Precip.
0%
0%
Night
61°F
NE 13 mph
Precip.
0%
0%
18.05
mon
mon
Day
63°F
E 11 mph
Precip.
0%
0%
Night
59°F
NE 7 mph
Precip.
0%
0%
19.05
tue
tue
Day
63°F
NE 27 mph
Precip.
100%
100%
Night
63°F
NE 22 mph
Precip.
60%
60%
20.05
wed
wed
Day
61°F
NE 13 mph
Precip.
69%
69%
Night
57°F
E 14 mph
Precip.
100%
100%
21.05
thu
thu
Day
61°F
E 12 mph
Precip.
89%
89%
Night
59°F
NE 9 mph
Precip.
100%
100%
22.05
fri
fri
Day
63°F
NE 9 mph
Precip.
0%
0%
Night
64°F
NE 6 mph
Precip.
83%
83%
23.05
sat
sat
Day
64°F
E 6 mph
Precip.
100%
100%
Night
63°F
SE 6 mph
Precip.
78%
78%
24.05
sun
sun
Day
63°F
S 6 mph
Precip.
78%
78%
Night
57°F
SW 5 mph
Precip.
0%
0%
25.05
mon
mon
Day
63°F
N 3 mph
Precip.
0%
0%
Night
59°F
NE 7 mph
Precip.
0%
0%
26.05
tue
tue
Day
66°F
NE 7 mph
Precip.
0%
0%
Night
63°F
NE 5 mph
Precip.
0%
0%
27.05
wed
wed
Day
66°F
SE 3 mph
Precip.
0%
0%
Night
63°F
S 4 mph
Precip.
100%
100%
28.05
thu
thu
Day
61°F
SW 11 mph
Precip.
0%
0%
Night
59°F
SW 10 mph
Precip.
86%
86%
29.05
fri
fri
Day
61°F
SW 7 mph
Precip.
89%
89%
Night
59°F
S 6 mph
Precip.
83%
83%
30.05
sat
sat
Day
63°F
E 14 mph
Precip.
0%
0%
Night
59°F
SE 14 mph
Precip.
89%
89%
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 May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 60.7°F. The highest and lowest sea temperatures during the month were 61.2°F and 60.3°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 67.1°F. The highest and lowest sea temperatures during the month were 68.7°F and 64.6°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: 21:50
May 18, monday
0000
61°F
NE
13 mph
13 mph
0300
61°F
NE
14 mph
14 mph
0600
61°F
NE
14 mph
14 mph
0900
61°F
E
12 mph
12 mph
1200
63°F
E
11 mph
11 mph
1500
64°F
E
10 mph
10 mph
1800
63°F
E
9 mph
9 mph
2100
59°F
NE
6 mph
6 mph
