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Coldest in January (Avg low temp in degrees F)

Fargo

-2

Vail

2

Rochester

4

Lake Placid

5

Middleton

6

Aspen

7

Green Bay

7

Fond du Lac

9

Burlington

9

Park City

10

Concord

10

Great Falls

11

Casper

12

Durango

12

Iowa City

13