Peloponnese — Water Temperature Today and Throughout the Year
Discover water temperatures in Peloponnese (Greece), with real-time data and annual trends. Find all locations in the region and check the water temperature in them. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
- Kalamata23°C
- Tolo23°C
- Paralia24°C
- Patras23°C
- Loutraki23°C
- Nafplio24°C
- Corinth23°C
- Elafonisos22°C
- Kiato23°C
- Aigio23°C
- Gytheio22°C
- Paralio Astros23°C
- Kyllini23°C
- Foinikounta22°C
- Kastellokampos23°C
- Porto Cheli23°C
- Kavouri23°C
- Kalogria23°C
- Koroni22°C
- Xylokastro21°C
- Stoupa22°C
- Ermioni23°C
- Rio23°C
- Loutra Elenis23°C
- Methoni22°C
- Agioi Theodoroi23°C
- Gialova22°C
- Niforeika23°C
- Palaia Epidavros23°C
- Kourouta23°C
- Chrani22°C
- Arkoudi23°C
Coastal Seas and Oceans
Water Temperature in Lakes and Rivers
Popular Lakes
Popular Rivers
Popular Places
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
The Peloponnese region of Greece boasts an extensive coastline along the Ionian and Aegean Seas, offering warm waters ideal for swimming and water sports. During summer (June to September), sea temperatures typically range from 24–27°C (75–81°F), making the beaches of Nafplio, Voidokilia, and Elafonisos especially popular with locals and tourists. The region’s warm climate extends the swimming season well into late September, with temperatures gradually cooling but remaining comfortable.
In spring (April to May) and autumn (October to November), the sea temperatures range from 19–23°C (66–73°F), providing mild and pleasant conditions for those seeking a quieter experience. Winter months bring cooler waters, ranging from 15–18°C (59–64°F), which are less frequented but still appreciated by adventurous swimmers.