Current sea water temperature:
+61.3°F
| Minimum sea water temperature in December: | 66.2°F |
| Maximum sea water temperature in December: | 57.7°F |
| Average sea water temperature in December: | 62.2°F |
| more information | |
14 days
forecast
forecast
| Quarteira |
monthly
weather
weather
| Quarteira |
Sea water temperature for the last 10 days:
| December 14 | 61.3°F | December 9 | 61.5°F |
| December 13 | 61.9°F | December 8 | 61.5°F |
| December 12 | 61.9°F | December 7 | 61.5°F |
| December 11 | 61.7°F | December 6 | 61.5°F |
| December 10 | 61.5°F | December 5 | 61.9°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
December
December
| Quarteira |
Best time for vacation in Quarteira
Quarteira on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Quarteira
Local time: 06:51
December 15, monday
0900
55°F
W
2 mph
2 mph
1200
59°F
N
3 mph
3 mph
1500
61°F
NE
8 mph
8 mph
1800
59°F
NE
16 mph
16 mph
2100
57°F
E
17 mph
17 mph
December 16, tuesday
0000
52°F
SE
17 mph
17 mph
0300
54°F
SE
18 mph
18 mph
0600
52°F
SE
16 mph
16 mph
