The higher you go the colder it is.
On average Michigan does, though northeastern Indiana does get more than many parts of lower MI on the east side.
Illinois does get snow in January, but whether or not it snow close to Christmas, though depends on the particular weather pattern at the time. Snow is a bit more likely in Northern Illinois where Lake Michigan provides extra moisture.
There are no averages in Michigan! Some years you'll see flurries in mid-October; other years we (Metro Detroit) don't have snow until past Thanksgiving! Northern Michigan will see snow in October and November more consistently than Southern Michigan.
The farther up you go in Michigan, it gets more snower, for instance the UP gets lots of snow.
Chicago did.
No, in fact many places in the 'Lower 48' get more snow than Alaska.
Yes, due to the Great Lakes being so warm there will be significantly more lake effect snow
yes
Yes.
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Pakistan,s northern areas are full of snow in the winter, temperatures climb -15 and even more with 12 to 15 inches snow accumulates in Hazara and Gilgit areas.
There are two basic types of snow: dry snow and wet snow. Dry snow has a lower water content and is powdery in texture, while wet snow has a higher water content and is denser and more compact.