Kos Weather & Climate: Greece

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

Climate overview of Kos

Kos is one of several regions in Greece, with temperatures that range from 15°C (59°F) in February to 28°C (82°F) during the peak of August. We've based our full climate overview on data from Kos Town, 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.

The weather in Kos during May, June, September, October and November is comfortably warm, with average temperatures ranging from 20°C (68°F) to 26°C (79°F).

When it comes to rainfall, Kos sees significant variations throughout the year. December tends to be the wettest, receiving 184 mm (7.2 in) of rain, while August is much drier with just 0 mm (0 in). For those seeking drier weather, May, June, July, August and September typically see minimal rainfall, never exceeding 16 mm (0.6 in).

July is the sunniest period, with ideal conditions for exploring the region and all it has to offer.

Explore Kos by month

Pick a month to see the average temperature, rainfall and sunshine in Kos — and find the best time to visit. (based on Kos Town)

Popular cities by month

Compare cities per month. Toggle cities on/off.

Kos Town Kéfalos Kardámaina Tigaki Mastichari Marmari
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map of Kos

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.

Kos Town 15°C (59°F) 28°C (82°F) 12°C (54°F) 25°C (77°F) 824 mm (32 in) 2,775 hours
Kéfalos 16°C (61°F) 28°C (82°F) 12°C (54°F) 25°C (77°F) 537 mm (21 in) 2,775 hours
Kardámaina 16°C (61°F) 28°C (82°F) 12°C (54°F) 25°C (77°F) 659 mm (26 in) 2,775 hours
Tigaki 16°C (61°F) 28°C (82°F) 12°C (54°F) 25°C (77°F) 755 mm (30 in) 2,775 hours
Mastichari 16°C (61°F) 28°C (82°F) 12°C (54°F) 25°C (77°F) 657 mm (26 in) 2,775 hours
Marmari 16°C (61°F) 28°C (82°F) 12°C (54°F) 25°C (77°F) 723 mm (28 in) 2,775 hours

Places in Kos, 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.