Duncan Lake

Duncan Lake is a boat launch in Missouri, about a mile from the town of Holstein. It's a simple spot to put a boat in the water. Weather here follows typical Missouri patterns, with averages from the Washington, MO station about 13 miles away. Summer is hot: July averages a high of 88°F and a low of 67°F, and June and August are close behind. Late spring and early fall are milder. May typically reaches 76°F, September 80°F and October 69°F. May is also the wettest month, averaging about 12 days with precipitation, while September is the driest at about 7. Winters are cold, with January highs around 40°F and lows near 20°F. Several climbing areas sit about 6 miles away, including Rabit Ear Boulder, Moss Fairy Landing and Rune Boulder (also called Bandit Cove). For more time on the water, Charrette Creek is about 8 miles off and offers canoeing.