Andover, Minnesota, experiences a diverse climate characterized by distinct seasonal changes. Understanding these patterns is essential for residents to prepare for varying weather conditions and to appreciate the city’s environmental initiatives.
Climate Overview
Andover’s climate is classified as humid continental, featuring warm, wet summers and cold, snowy winters. Throughout the year, temperatures typically range from 8°F to 82°F, with extremes rarely dipping below -12°F or exceeding 91°F. The warm season spans approximately from late May to mid-September, with July being the hottest month, averaging a high of 82°F and a low of 63°F. Conversely, the cold season lasts from late November to early March, with January being the coldest month, averaging a high of 24°F and a low of 7°F. Precipitation is fairly evenly distributed throughout the year, with May and June being the wettest months, each receiving around 4.4 inches of rainfall. Snowfall is common in winter, particularly in January, which averages about 4 inches of snow.
Environmental Initiatives
Andover is committed to preserving its natural resources and maintaining environmental quality. The city is home to several water bodies, including the Rum River and Coon Creek, as well as numerous lakes and oak stands. To protect these resources, Andover addresses issues such as water quality, tree preservation, and invasive vegetation management. The city participates in the National Pollutant Discharge Elimination System (NPDES) Phase II Program, aiming to improve stormwater quality through best management practices. Residents are encouraged to adopt environmentally friendly practices, such as proper lawn care, waste disposal, and vehicle maintenance, to prevent pollutants from entering the storm sewer system.
Additionally, Andover has undertaken efforts to redevelop areas affected by past industrial activities. The South Andover Site, a former waste disposal and salvage facility, underwent extensive cleanup and has been transformed into a mixed-use development known as Andover Station. This redevelopment includes residential and commercial spaces, contributing to the community’s growth while ensuring environmental safety.
By understanding Andover’s climate and supporting local environmental initiatives, residents can contribute to the city’s sustainability and enjoy the natural beauty it offers throughout the year.

