The following website I think sums up off-season riding perfectly. The only thing I would add to their comprehensive list is to be mindful that people aren’t looking for you. They never are to begin with but certainly not during the winter months. Don’t bother making eye contact with the driver at the stop sign, look at their tires. If you seem them starting to roll, be ready, have a plan in place at all times.
Check out this article for some great off-season riding tips.
Rubber side down.