The great folks who control this location and the well maintained facilities beat anything. As long as you adore the outdoors you will adore Wisconsin. Camping out definitely is a great thing to do; Battle Run - Summersville Lake in Wisconsin is just the location. The amount of precipitation that falls at Battle Run - Summersville Lake is close to the national average. September is the month that gets the most rain; the driest of the months is January. At Battle Run - Summersville Lake during the months of summer highs are in the 80's. Summer overnight lows plunge down to the 50's. Throughout the winter highs are in the 20's with winter lows in the 0's overnight here at Battle Run - Summersville Lake.