Custom Search     Copeland Lake     The high level of rain makes Copeland Lake a rather wet location. The wettest month of the year is generally September, that's the one that rains the most, and May is the month with the least moisture. Summer brings highs in the 80's to Copeland Lake. Once the sun is down it descends down to the 70's. Through the winter highs are in the 80's; overnight lows in the 70's for Copeland Lake. Be the first to submit input for Copeland Lake. If you have info on Copeland Lake, Butler County, Missouri please submit it here to improve this web site.          These outdoors activities are available near Copeland Lake.