Current sea water temperature:
+61.3°F
| Minimum sea water temperature in May: | 70.3°F |
| Maximum sea water temperature in May: | 59.0°F |
| Average sea water temperature in May: | 63.7°F |
| more information | |
14 days
forecast
forecast
| Quarteira |
monthly
weather
weather
| Quarteira |
Sea water temperature for the last 10 days:
| May 16 | 61.3°F | May 11 | 62.1°F |
| May 15 | 61.7°F | May 10 | 61.9°F |
| May 14 | 62.8°F | May 9 | 61.7°F |
| May 13 | 63.0°F | May 8 | 61.2°F |
| May 12 | 62.2°F | May 7 | 60.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Quarteira?
Based on the data about daily sea water temperature for the last three years the warmest sea in Quarteira was noticed in August, September and July.
Monthly Sea Temperatures in Quarteira, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 72.5°F. The highest and lowest sea temperatures during the month were 77.0°F and 66.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.0°F. The highest and lowest sea temperatures during the month were 68.5°F and 63.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 69.4°F. The highest and lowest sea temperatures during the month were 76.5°F and 63.3°F.
current
weather
weather
| Quarteira |
weather in
May
May
| Quarteira |
Best time for vacation in Quarteira
Quarteira on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Quarteira
Local time: 02:40
May 17, sunday
0300
55°F
S
13 mph
13 mph
0600
55°F
S
16 mph
16 mph
0900
61°F
S
12 mph
12 mph
1200
66°F
SE
9 mph
9 mph
1500
70°F
E
14 mph
14 mph
1800
68°F
SE
21 mph
21 mph
2100
61°F
SE
17 mph
17 mph
May 18, monday
0000
57°F
SE
15 mph
15 mph
