Sea temperature in Piraeus in November
The sea around Piraeus averages 21°C in November, usually between 18°C and 23°C. That is cool: fine for a quick swim, many people find it chilly.
Average21°CRefreshing
Usual range18°C–23°C80% of readings
vs October−2.5°cooler
vs December−3.0°cooler next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: June–October.
November in recent years
| 2023 | 22°C |
|---|---|
| 2024 | 21°C |
| 2025 | 21°C |
Nearby in November
Beaches in Piraeus
104 of 104 beaches have an Excellent EU water-quality grade. See which ones are calm today.