18.07
sat
sat
Day

73°F
W 3 mph
Precip.
32%
32%
Night

68°F
W 7 mph
Precip.
30%
30%
19.07
sun
sun
Day

72°F
W 9 mph
Precip.
33%
33%
Night

68°F
W 10 mph
Precip.
27%
27%
20.07
mon
mon
Day

70°F
W 11 mph
Precip.
18%
18%
Night

66°F
W 8 mph
Precip.
22%
22%
21.07
tue
tue
Day

68°F
W 9 mph
Precip.
19%
19%
Night

66°F
SW 6 mph
Precip.
11%
11%
22.07
wed
wed
Day

70°F
SW 4 mph
Precip.
15%
15%
Night

66°F
SW 6 mph
Precip.
19%
19%
23.07
thu
thu
Day

70°F
W 4 mph
Precip.
13%
13%
Night

66°F
W 5 mph
Precip.
22%
22%
24.07
fri
fri
Day

70°F
W 3 mph
Precip.
16%
16%
Night

66°F
SW 6 mph
Precip.
24%
24%
25.07
sat
sat
Day

70°F
W 8 mph
Precip.
13%
13%
Night

66°F
W 7 mph
Precip.
10%
10%
26.07
sun
sun
Day

70°F
W 7 mph
Precip.
5%
5%
Night

66°F
W 9 mph
Precip.
13%
13%
27.07
mon
mon
Day

70°F
W 9 mph
Precip.
5%
5%
Night

68°F
NW 8 mph
Precip.
16%
16%
28.07
tue
tue
Day

70°F
W 8 mph
Precip.
17%
17%
Night

68°F
SW 6 mph
Precip.
24%
24%
29.07
wed
wed
Day

70°F
W 12 mph
Precip.
25%
25%
Night

68°F
W 7 mph
Precip.
10%
10%
30.07
thu
thu
Day

70°F
W 11 mph
Precip.
19%
19%
Night

68°F
W 6 mph
Precip.
10%
10%
31.07
fri
fri
Day

70°F
W 6 mph
Precip.
16%
16%
Night

70°F
SW 4 mph
Precip.
28%
28%
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 July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 68.7°F. The highest and lowest sea temperatures during the month were 69.8°F and 66.9°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.
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: 01:59
July 18, saturday
0300

70°F
SW
1 mph
1 mph
0600

68°F
S
2 mph
2 mph
0900

70°F
SW
3 mph
3 mph
1200

73°F
W
3 mph
3 mph
1500

73°F
NW
3 mph
3 mph
1800

72°F
NW
5 mph
5 mph
2100

70°F
W
6 mph
6 mph
July 19, sunday
0000

68°F
W
7 mph
7 mph



























