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Peloponnese

Peloponnese, Greece

Peloponnese, Greece © By Luu

Peloponnese Sea Temperature

This page provides detailed information about the water temperature in Peloponnese, Greece. All countries, cities and resorts on the coast. The range of sea temperatures for today. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Sea Temperature

14.7°C

minimal

16.2°C

average

17.4°C

maximum

Graph of Sea Temperature Changes in Peloponnese Over the Last 60 Days

Water temperature in the Peloponnese by month

MonthMinimumMaximum
January14°C19°C
February14°C18°C
March13°C18°C
April14°C20°C
May15°C23°C
June18°C27°C
July22°C29°C
August24°C30°C
September22°C30°C
October19°C27°C
November17°C25°C
December13°C22°C

The Warmest Places on the Seaside in Peloponnese Today

List of All Coastal Cities in Peloponnese

Seas and Oceans that Border Peloponnese

Peloponnese, Greece

Peloponnese, Greece © By Ingo Mehlng

Greece: List of Regions

Peloponnese, GreecePeloponnese, GreecePeloponnese, Greece

Water Temperature in Peloponnese: General Trends and Swimming Opportunities

Original name of the region: Πελοπόννησος

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.

Geographical Location of Peloponnese

Frequently Asked Questions About Peloponnese and its Water Temperatures

What is the current sea temperature on the coast of Peloponnese in Greece?

The sea temperature today on the coast of Peloponnese ranges from 58°F (14.7°C) in Aigeira to 63°F (17.4°C) in Costa Navarino.

When does the sea in Peloponnese in Greece reach a comfortable swimming temperature?

In Peloponnese (Greece) the sea temperature can reach 70°F (21°C) in May, June, July, August, September, October, and November. It should be noted that the mentioned values apply to the warmest point of the region. In other areas of Peloponnese, the values may vary.

What are the most popular seaside resorts in Peloponnese?

The most popular places on the coast of Peloponnese (Greece), based on our visitors' interest in the water temperature, are cities Kalamata, Patras, Corinth, Tolo, and Nafplion.

Which seas and oceans does the Peloponnese have access to?

Peloponnese (Greece) has access to the seas: Ionian Sea, and Aegean Sea.