Nafplio

Peloponnese Weather & Climate: Greece

Climate by month across the Peloponnese, Greece, average temperatures, rainfall and the best time to visit.

Climate overview of the Peloponnese

the Peloponnese is one of several regions in Greece, with temperatures that range from 12°C (54°F) in January to 32°C (90°F) during the peak of July. We've based our full climate overview on data from Nafplio, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

In the Peloponnese, during the months of April, May and October you can expect comfortable weather, with average temperatures ranging from 20°C (68°F) to 25°C (77°F).

The peak of the heat usually falls in June, July and August.

Precipitation in the Peloponnese varies considerably throughout the year. The wettest conditions occur in December with 68 mm (2.7 in) of rain, while July stays relatively dry with 8 mm (0.3 in). June, July and August marks the driest time of year, with rainfall falling below 17 mm (0.7 in).

Explore the Peloponnese by month

Popular cities by month

Compare cities per month. Toggle cities on/off.

Nafplio Tolón Monemvasía Poros Kalamata Porto Heli
Day temperature (°C)
Monthly rainfall (mm)

Climate map of the Peloponnese

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

Nafplio 13°C (55°F) 32°C (90°F) 5°C (41°F) 22°C (72°F) 495 mm (19 in)
Tolón 13°C (55°F) 32°C (90°F) 6°C (43°F) 23°C (73°F) 465 mm (18 in)
Monemvasía 15°C (59°F) 33°C (91°F) 9°C (48°F) 24°C (75°F) 443 mm (17 in)
Poros 15°C (59°F) 31°C (88°F) 10°C (50°F) 25°C (77°F) 382 mm (15 in) 2,773 hours
Kalamata 13°C (55°F) 31°C (88°F) 6°C (43°F) 21°C (70°F) 834 mm (33 in) 2,725 hours
Porto Heli 14°C (57°F) 30°C (86°F) 10°C (50°F) 25°C (77°F) 433 mm (17 in)

Places in the Peloponnese, Greece

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

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Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.