What can you conclude from this map?
http://upload.wikimedia.org/wikipedia/commons/b/bb/Koppen_World_Map_(retouched_version).png
How does location affect climate?
2 answers
In addition, land areas near large bodies of water are more moderate than land that's farther inland. Higher elevations, as in mountains, also are colder than lowlands. Western Europe has more moderate temperatures than we'd expect from its latitude because of the Gulf Stream.