Quote Originally Posted by Don View Post
My commute is about 20 miles and I've done it on a bike many times in temps over 100 degrees and humidity close to 100 percent. My camelback kept me hydrated and never had problems with heat stroke. Now on the other hand, temps below 30 and I have a problem jumping on the bicycle. Between 25 degrees and 40 degrees, I use the motorcycle.
Good for you. I'm not heat tolerant, add in a 15 pound backpack, it'd end up killing me. Not to mention I don't think biking at 6 am in the dark is safe.