The old joke around here was that we had four seasons: Almost Winter, Winter, Still Winter, and July. I remember snow as early as mid-September and as late as early May. Snow tires were a necessity from the end of October through the end of April.
That's slowly changed. For a while we went through a period where Almost Winter and Still Winter were just as dismal as Winter, but with rain instead of snow. For the past few years we've had actual Autumns and Springs. Winters have become milder too. Interestingly, Summers have also mellowed somewhat, even as they creep into June and August.