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→Climate
== Climate ==
The dominant dominantes condition of Greece's climate is the alternation between hot, dry summers and cold, damp winters typical of the Mediterranean. But considerable local variation results from elevation and distance from the sea. Generally, continental influences are felt farther north and in the center of the mainland. The main climatic regions of Greece are the mainland mountains, [[Attica prefecture|Attica]] (the southeasternmost part of the mainland) and the Aegean, the west including the [[Ionian Islands]], and the continental northeast.
In winter low-pressure systems reach Greece from the North Atlantic, bringing rain and moderating temperatures but also drawing cold winds from the eastern Balkans over [[Macedonia]] and [[Thrace]] as they pass into the Aegean Sea. The same low-pressure systems also draw warmer winds from the south, creating an average January temperature differential of 4° C between Thessaloniki (6° C) and Athens (10° C). Cyclonic depressions provide the lowlands of the west and the south with mild winters and little frost. Beginning in late fall and continuing through the winter, the Ionian Islands and the western mountains of the mainland receive abundant rain (snow at higher elevations) from the west, whereas the eastern mainland, shielded by the mountains, receives much less precipitation. Thus the average annual rainfall of Corfu off the west coast is 1,300 millimeters; that of Athens on the southeastern mainland is only 406 millimeters.
