>>407746>>407756>>407942with enough wool gear you can easily car camp year round.
you need sleeping mats pref a foam mat on top of an inflatable and a winter sleeping bag.
wool socks, long johns, wool pants sweater, buff(wool neckwarmer) and wool toque.
most importantly 2 pairs of wool gloves, one thin glove for dexterity under a thick wool mitten.
if you cant get sick wool gear, which is probable because you sound like youre on a budget you shouldnt try winter camping.