Current Sea Water Temperature:
+71.8°F
| Maximum Sea Water Temperature in May: | 72.6°F |
| Minimum Sea Water Temperature in May: | 60.0°F |
| Average water temperature in May: | 65.2°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 30 | 71.8°F | May 25 | 66.2°F |
| May 29 | 69.8°F | May 24 | 65.0°F |
| May 28 | 68.8°F | May 23 | 63.4°F |
| May 27 | 67.2°F | May 22 | 63.6°F |
| May 26 | 67.2°F | May 21 | 63.4°F |
When is the Warmest Sea for Quarteira?
According to our data for the last three years for Quarteira the highest average sea water temperature was in August, September and July.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Quarteira was 75.0°F. The maximum and minimum values were 68.2°F and 80.0°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Quarteira was 67.8°F. The maximum and minimum values were 65.0°F and 70.6°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Quarteira was 71.6°F. The maximum and minimum values were 64.8°F and 79.4°F respectively.
Portugal Resorts:
NAME
F°
| Albufeira |  |
+80 |
| Algarve | |
+74 |
| Cascais |  |
+68 |
| Faro | |
+74 |
| Funchal | |
+68 |
| Lagos | |
+80 |
| Lisbon | |
+78 |
| Madeira | |
+68 |
| Ponta Delgada |  |
+68 |
| Portimao | |
+84 |
| Porto | |
+72 |
| Porto Santo Island |  |
+66 |
| Quarteira | |
+80 |
| Sao Miguel | |
+68 |
| Setubal | |
+82 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Quarteira
Local time: 12:35
30 may, saturday
| 1500 |  |
80°F | NE 9 mph |
| 1800 | |
80°F | E 8 mph |
| 2100 |  |
78°F | SE 12 mph |
31 may, sunday
| 0000 |  |
72°F | S 11 mph |
| 0300 | |
68°F | SE 9 mph |
| 0600 | |
66°F | S 9 mph |
| 0900 | |
76°F | S 6 mph |
| 1200 | |
82°F | NE 3 mph |