Deer move in the rain. I only shoot good bucks, so I know usually i'm only going to see them near the rut. When I say, sitting in the rain, i'm talking in a shooting house on a powerline or cutover. I ain't sitting out in the rain, no matter what time of year. At least get a blind with small tarp throwed over it. I killed a good 8pt during a heavy rain crossing a powerline on Jan 2nd a couple years ago.