Cottage Grove, Minnesota, experiences a humid continental climate characterized by warm, wet summers and cold, snowy winters. Throughout the year, temperatures typically range from 10°F to 83°F, with July being the warmest month and January the coldest. Precipitation is fairly evenly distributed, with June receiving the highest average rainfall of 3.74 inches.
In recent years, the city has undertaken several environmental initiatives to protect its natural resources. The Stormwater Pollution Prevention Program (SWPPP) aims to safeguard local water bodies by managing stormwater runoff effectively. Additionally, the city is in the process of renewing its SWPPP as required by the Minnesota Pollution Control Agency (MPCA).
Another significant project is the construction of a water treatment facility to address per- and polyfluoroalkyl substances (PFAS) contamination. This facility is part of a broader plan to ensure safe and sustainable drinking water for residents. The city has also been proactive in providing public education on environmental issues, publishing various environmentally-focused supplements in the Cottage Grove Reports newsletter.
These efforts reflect Cottage Grove’s commitment to environmental stewardship and the well-being of its community.

