October was, nationally in the US, kinda cold. Not record cold, but colder than average. However, as Jeff Masters at Weather Underground has calculated, we would have to have some kind of Snowball Earth scenario kick in for December in order for 2012 to not be the warmest year on record in the US. Here, you can read about it yourself.
In the mean time, there is an interesting weather related production coming up you may want to know about. First, check this out:
Then, check THIS out.