In July warmest sea in Peloponnesus is usually observed in the following locations: Nafplio, Tolo, Loutraki.
Table below shows the average sea water temperature for marine resorts of Peloponnesus in July for the last three years.
| Place name | July 2025 | July 2024 | July 2023 |
|---|---|---|---|
| Nafplio | 81.2°F | 81.4°F | 82.5°F |
| Tolo | 81.0°F | 81.3°F | 82.3°F |
| Loutraki | 80.1°F | 80.3°F | 81.7°F |
| Korinthos | 80.0°F | 80.3°F | 81.7°F |
| Aegina | 79.8°F | 80.2°F | 81.5°F |
| Poros | 79.7°F | 80.1°F | 81.4°F |
| Xilokastro | 79.2°F | 80.3°F | 80.6°F |
| Piraeus | 79.0°F | 79.2°F | 81.0°F |
| Kyparissia | 79.0°F | 80.9°F | 79.5°F |
| Niforeika | 78.3°F | 80.5°F | 81.3°F |
Charts below show average sea water temperature for Peloponnesus resorts with the warmest sea in July.
You can also check other months of the year to see sea temperature of Peloponnesus resorts at that time.
Popular places:
Name
°F
