The climatic differences depend in part on latitude; but probably in a greater degree on differences of elevation, distance or vicinity of mountains, and the like.
Eastern Assyria, from its vicinity to the high and snow-clad range of Zagros, has a climate at once cooler and moister than Assyria west of the Tigris.

The summer heats are tempered by breezes from the adjacent mountains, and, though trying to the constitution of an European, are far less oppressive than the torrid blasts which prevail on the other side of the river.

A good deal of rain falls in the winter, and even in the spring; while, after the rains are past, there is frequently an abundant dew, which supports vegetation and helps to give coolness to the air.

The winters are moderately severe.
In the most southern part of Assyria, from lat.

34 deg.