Current sea water temperature:
+60.6°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 16 | 60.6°F | December 11 | 61.7°F |
| December 15 | 61.2°F | December 10 | 61.5°F |
| 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 |
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: 14:13
December 16, tuesday
1500
55°F
SE
29 mph
29 mph
1800
55°F
SE
26 mph
26 mph
2100
54°F
SE
27 mph
27 mph
December 17, wednesday
0000
54°F
S
22 mph
22 mph
0300
54°F
S
20 mph
20 mph
0600
52°F
S
16 mph
16 mph
0900
50°F
S
16 mph
16 mph
1200
57°F
S
16 mph
16 mph
