Greece climate

World Climates covers 6 places in Greece. By annual mean temperature, the warmest is Irákleion (20 °C67 °F) and the coolest is Thessaloníki (15 °C60 °F). The wettest is Pátra with 719 mm28 in of precipitation per year, the driest Irákleion with 462 mm18 in.

The most common climate types (Köppen classification computed from these averages) are hot-summer Mediterranean (Csa, 4 places) and humid subtropical (Cfa, 2 places).

The highest monthly average high is in Pátra (36 °C96 °F in July); the lowest monthly average low is in Thessaloníki (1 °C34 °F in January).

Across the places in Greece, the months that most often rank as the most comfortable are April, May and September (6, 6 and 6 of 6 places respectively).

Temperature and rainfall across Greece

Annual mean temperatures in Greece range from 15 °C60 °F to 20 °C67 °F. The typical place (the median of all 6) has a year average of 18 °C65 °F. Annual precipitation ranges from 462 mm18 in to 719 mm28 in. The median place receives about 500 mm20 in in an average year.

In 0 places of 6, the coldest month has an average low below 0 °C (32 °F). In 5 places, the warmest month has an average high above 30 °C (86 °F). No place here gets less than 250 mm (10 in) of precipitation a year. None gets more than 2,000 mm (79 in) a year.

Averaged over all 6 places, July is the warmest month, with a mean of 28 °C82 °F. January is the coldest, with 9 °C48 °F. The wettest month on average is December (83 mm3.3 in). The driest is August (13 mm0.5 in). Single places can differ a lot from this average, so check the page of each city.

The table below lists the places sorted by population. The largest ones covered here are Athens, Thessaloníki and Pátra. Each city page has a chart and a table for every month. It also shows the best time to visit and what to pack. The figures are 25-year averages for 2001–2025 from NASA POWER. They describe grid cells of roughly 50–70 km, not single weather stations.

Climate of each place in Greece

Athens has a hot-summer Mediterranean climate (Köppen Csa). Its year average is 18 °C65 °F. The warmest month is July, with an average high of 33 °C91 °F. The coldest is January, with an average low of 7 °C44 °F. About 500 mm20 in of precipitation falls in a year. December is the wettest month and August the driest. By our comfort score, the best months to visit are April and May and September and October.

Thessaloníki has a humid subtropical climate (Köppen Cfa). Its year average is 15 °C60 °F. The warmest month is July, with an average high of 33 °C91 °F. The coldest is January, with an average low of 1 °C34 °F. About 515 mm20 in of precipitation falls in a year. December is the wettest month and August the driest. By our comfort score, the best months to visit are April–June and September and October.

Pátra has a hot-summer Mediterranean climate (Köppen Csa). Its year average is 18 °C65 °F. The warmest month is August, with an average high of 36 °C96 °F. The coldest is January, with an average low of 6 °C42 °F. About 719 mm28 in of precipitation falls in a year. December is the wettest month and August the driest. By our comfort score, the best months to visit are April and May and September and October.

Lárisa has a humid subtropical climate (Köppen Cfa). Its year average is 17 °C63 °F. The warmest month is July, with an average high of 35 °C96 °F. The coldest is January, with an average low of 2 °C36 °F. About 499 mm20 in of precipitation falls in a year. December is the wettest month and August the driest. By our comfort score, the best months to visit are April and May and September and October.

Peristéri has a hot-summer Mediterranean climate (Köppen Csa). Its year average is 18 °C65 °F. The warmest month is July, with an average high of 33 °C91 °F. The coldest is January, with an average low of 7 °C44 °F. About 500 mm20 in of precipitation falls in a year. December is the wettest month and August the driest. By our comfort score, the best months to visit are April and May and September and October.

Irákleion has a hot-summer Mediterranean climate (Köppen Csa). Its year average is 20 °C67 °F. The warmest month is August, with an average high of 28 °C83 °F. The coldest is January, with an average low of 12 °C53 °F. About 462 mm18 in of precipitation falls in a year. January is the wettest month and July the driest. By our comfort score, the best months to visit are April–November.

Frequently asked questions

Which is the warmest place in Greece?

By annual mean temperature, the warmest place in Greece is Irákleion at 20 °C67 °F. The coolest is Thessaloníki at 15 °C60 °F.

Where does it rain the most in Greece?

Pátra gets the most precipitation, 719 mm28 in in an average year. The driest place is Irákleion with 462 mm18 in.

How many places in Greece does this site cover?

World Climates has climate data for 6 places in Greece. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

When is the best time to visit Greece?

It depends on the place. Across Greece, the months that most often rank as the most comfortable are April, May and September. Check the page of each city for its own best months.