Current sea water temperature:
+60.6°F
| Minimum sea water temperature in May: | 66.7°F |
| Maximum sea water temperature in May: | 59.4°F |
| Average sea water temperature in May: | 62.6°F |
| more information | |
14 days
forecast
forecast
| Terceira Island |
monthly
weather
weather
| Terceira Island |
Sea water temperature for the last 10 days:
| May 16 | 60.6°F | May 11 | 60.8°F |
| May 15 | 60.8°F | May 10 | 60.8°F |
| May 14 | 60.6°F | May 9 | 60.6°F |
| May 13 | 60.6°F | May 8 | 60.8°F |
| May 12 | 60.3°F | May 7 | 60.8°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
May
May
| 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: 01:40
May 17, sunday
0300
57°F
NE
8 mph
8 mph
0600
57°F
E
9 mph
9 mph
0900
59°F
NE
9 mph
9 mph
1200
63°F
NE
11 mph
11 mph
1500
63°F
NE
12 mph
12 mph
1800
63°F
NE
12 mph
12 mph
2100
61°F
NE
12 mph
12 mph
May 18, monday
0000
61°F
NE
13 mph
13 mph
