Carnesville, Georgia is located in the northeastern part of the state and has a humid subtropical climate. The town experiences hot summers with average temperatures in the mid-80s and mild winters with average temperatures in the mid-40s. Precipitation is evenly distributed throughout the year, with an average of 50 inches annually. The town is situated near the Broad River, which is a major tributary of the Savannah River. Outdoor recreation opportunities in Carnesville include fishing and kayaking on the Broad River and nearby Lake Hartwell, as well as hiking and camping in the Chattahoochee-Oconee National Forest.