The scale of the continent feels wrong. How big is it supposed to be? If the glacier moves 50 miles south, where is it standing on you map?
As the glacier move south, it literally grinds everything in his path : trees, hills, cities...
When thew ice melts, the area free of the glacier is covered with debris (mostly rocks). Cities cannot exist in that zone, neither forests.
And there would be lots and lost of lakes. A lot more than in Finland because the deglaciation happens not once a few thousand year but every year.

A one week drought is a pretty short one. Unless the heat is very intense, this is usually not a problem. For example, some mediteranean climates receive very little precipitation during the whole summer Los Angeles for example : https://en.wikipedia.org/wiki/Los_Angeles#Climate

In winter you said that magic items break because of the cold, but what about normal items? How cold is that? Does this affect the whole continent?


For the labels, I would recommend to do like Kellerica said or using black/dark grey.


Where to put the elements on the map is up to you. Both option are viable. If you have a large empty spot, you can place them there.