Somewhere between 10 and 30F during the day, maybe as low as -20F at night in past years, but usually above zero.
Low temperatures and snow are how you keep the riff-raff out of an area. It works very well for us in Wyoming.
Oh, heck, that ain’t as bad as I expected, I spent a year in Keflavik and I have been in Chicago when it was twenty below and the wind blowing fifty miles an hour. I’ve even seen a spell at Charlotte, NC when the temp didn’t go higher than twelve above for a couple of days, the only time I have seen flowing streams freeze over in the Carolinas. The crazy thing is after spending a year in Iceland and going to Chicago for three different schools in the middle of winter the deepest snowfall I ever saw from one storm was right here in South Carolina in Jan. 1973. It was seventeen inches of perfect powder here and up to 25 inches reported South of here.
By far the worst ice storms I have ever seen have been in South Carolina. 1968 and 1969 were both bad with ‘69 the worst, you had to see it to believe it, pouring rain for 24 hours and every drop froze, Oak trees four feet thick breaking off and falling on houses. The plant where I worked was closed down for over a week and it was one of the first to have power, the big push was to get power back to employers first before they even worried about houses. There was not one utility pole standing anywhere in the area where I lived and worked.