In more than 20 years of Coues hunting, I have never encountered a rattlesnake during a November or December hunt. I did once encountered a small feisty rattler on a cold day in November, but that was in Desert Mule Deer country on the Empire Ranch near Sonoita.
I do not give any thought to rattlers in November and think nothing of walking in the dark. However, you just never know. My wife once encountered a small one on the pavement of the Bear Canyon tram road, near Sabino Canyon, the day after Christmas! And it was rattling away and ready to rumble!
But a snakebite in mid-November is an extremely low-odds event. I've never heard of a hunter being bit in November. It's the dove and early season quail hunters who need to step carefully.