If this is something you want to do, you need to think about next winter now!
Keep a log of where the sun hits your garden during these cold months. This will take the guess work out of garden planning for winter crops. Since you will be planting your winter garden in the late summer, you won't always be able to accurately gauge where the sun will hit the soil due to a change in the sun's angle as the season progresses. I know next winter is a long way off, but you will be repaid in time and heartache by spending a few minutes this winter finding the "hot spots" of your garden like this guy did:
|photo by T. Lot|