Information about the Weather in Sterea, in Greece but also information about the weather in many locations of the group (average temperatures and forecast): Sterea's climate varies according to the high altitude. The coastal areas of Sterea are blessed with the typical Mediterranean temperatures, with dry summers and mild winters. Towards the center of Sterea, the weather changes dramatically and usually there is heavy snow. The western regions are characterized by lots of rain while during the summer the temperature rises and often gets over 40oC with a lot of humidity. In the eastern part of Sterea winters and summers are much cooler.