I used to commute about 3 days per week whenever the temperature was between 25 and 95, which is most of the time. It was nice- woke me up...saved me time (no additional workout needed that day...basically an hour of working out that cost me 15 minutes of my schedule)...improved my mood.
Now though, I have to dress a bit nicer and often have to run to meetings across town in the middle of the day, so I don't bike commute much any more
