Since deciding to cycle across America I've had to rethink many times for various reasons. My original plan to leave late August/early September is no longer ideal and I hope to set off by mid-July already. This means that I also need to rethink my route. I'm choosing between crossing on a northern path - Seattle to New York or Boston, via Montana, N or S Dakota, Minnesota, etc, or heading out from San Francisco (to same final destination) in a slight arch, via Nevada, (Utah), Wyoming, Nebraska, Iowa, etc.
Do any of you have any advice for me on which way you think would be better and why? I've checked average highs for the portions of Nevada that I might cross and they don't seem to go much higher than the 90's, but I wonder if that's correct... Meanwhile, the northern states are beautiful, but this is my first proper long distance trip and I wonder if all those hills will be overachieving.