

I mean, anecdotally, I do know someone that bought a new build in mid 2008 for about 60k-ish less than what everyone else in the neighborhood bought for (earlier or later). The company building out the subdivision was pretty desperate and he had a solid stable job as a trucker. He managed to get all kinds of perks and stuff too.
Very technically there are two (at least down here in Dixie Alley). The two months with the most tornadoes are April and January.