Tompkins - Cowanesque Lake, Pennsylvania     Custom Search   At last, camping time is here again, and Tompkins - Cowanesque Lake in Pennsylvania is such a wonderful spot. With such a great deal of things to do in Pennsylvania you'll never get bored. At Tompkins - Cowanesque Lake all through the warmest time of the year highs are in the 80's, and the overnight is fairly cooler of course, commonly in the 60's. Highs during the winter are generally in the 30's, and nighttime lows all through the wintertime for Tompkins - Cowanesque Lake tend to be in the 10's. Tompkins - Cowanesque Lake mostly gets a large amount of rain. For the duration of the month of August you get the most rain around here; October meanwhile is the driest month.     Pennsylvania Campgrounds Complete list of all campgrounds in Pennsylvania Books about campgrounds in Pennsylvania List of books available on Amazon.com about campgrounds in Pennsylvania.