Long, long ago, for 7 years I rode from Hawthorne to Burbank in LA (and back!) as a daily work commute. I was lucky enough to start work at 6:00am, and get off at 2:0opm, so most of the time the traffic was pretty good.
The summer rides were great, shorts, tennis shoes and a tee shirt, although summer temps can be 110F in Burbank and 75F in Hawthorne and the drop in temperature in just 30 or 40 minutes feels quite dramatic. In the winter the weather in Burbank can be damned cold with sub-freezing temps and a 5am commute meant full gear!
Back then I rode my '86 R1000, and then later used my trusty Nighthawk for the commute.