Zaragoza lies in the Ebro basin, roughly halway between to two coasts, just south of the Pyrenees, 220m above sea level, resulting in a winter that is not as harsh as those cities higher on the central plateau and summer daily average temperatures similar to thowe on the northern Mediterranean coast.
There will however be a greater difference between maximum and minimum emperatures.
The average rainfall for Zaragoza is 330mm or 13.4 inches (Source: World Climate) with very little falling during July and August, October is the wettest month.
Daily average temperatures for Zaragoza
Source: World Climate