Current Sea Water Temperature:
+76.6°F
| Maximum Sea Water Temperature in October: | 81.6°F |
| Minimum Sea Water Temperature in October: | 70.0°F |
| Average water temperature in October: | 76.7°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| October 04 | 76.6°F | September 29 | 78.6°F |
| October 03 | 77.6°F | September 28 | 78.6°F |
| October 02 | 77.6°F | September 27 | 79.4°F |
| October 01 | 78.0°F | September 26 | 79.6°F |
| September 30 | 78.4°F | September 25 | 80.0°F |
When is the Warmest Sea for Piraeus?
According to our data for the last three years for Piraeus the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2026 for Piraeus was 82.8°F. The maximum and minimum values were 81.0°F and 85.2°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Piraeus was 82.9°F. The maximum and minimum values were 78.8°F and 86.4°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2026 for Piraeus was 82.0°F. The maximum and minimum values were 78.4°F and 85.2°F respectively.
Greece Resorts:
NAME
F°
| Athenes |  |
+70 |
| Bali Gr |  |
+66 |
| Chalkidiki | |
+68 |
| Chania | |
+66 |
| Corfu | |
+70 |
| Crete | |
+58 |
| Hanioti | |
+70 |
| Paralia Katerini | |
+72 |
| Pefkochori | |
+70 |
| Possidi | |
+70 |
| Rhodes |  |
+70 |
| Sithonia |  |
+70 |
| Thasos | |
+64 |
| Thessaloniki | |
+72 |
| Zakynthos | |
+70 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Piraeus
Local time: 11:57
04 oct, sunday
| 1200 |  |
68°F | S 19 mph |
| 1500 | |
70°F | S 16 mph |
| 1800 | |
68°F | S 14 mph |
| 2100 |  |
62°F | S 6 mph |
05 oct, monday
| 0000 | |
60°F | S 6 mph |
| 0300 | |
58°F | S 6 mph |
| 0600 | |
56°F | S 6 mph |
| 0900 | |
62°F | S 6 mph |