New London, Wisconsin experiences a humid continental climate, characterized by warm summers and cold winters. Summers are typically mild to warm, with average temperatures ranging from the mid-60s to mid-80s Fahrenheit. Winters are cold, with temperatures dropping below freezing, sometimes reaching single digits. The area receives moderate rainfall throughout the year, with the wettest months occurring during the summer.

Situated in the heart of Wisconsin, New London is surrounded by several lakes and rivers, including the Embarrass River and the Wolf River. These hydrological features offer opportunities for fishing, boating, and kayaking. Outdoor enthusiasts can also explore the nearby Hartman Creek State Park, offering hiking trails, camping grounds, and scenic views. Overall, New London provides a pleasant climate and ample outdoor recreation opportunities, making it an attractive destination for nature lovers.