Stillwater, Minnesota, experiences a Humid Continental climate, characterized by warm, wet summers and cold, snowy winters. Average annual temperatures range from a low of 36.5°F to a high of 55.3°F, with annual precipitation averaging 34.5 inches. The growing season typically spans from late April to early October, providing approximately 150-180 frost-free days each year.
Seasonal Climate Overview
In Stillwater, the warm season lasts from late May to mid-September, with average daily high temperatures above 70°F. July is typically the hottest month, averaging a high of 81°F and a low of 62°F. Conversely, the cold season extends from late November to early March, with average daily highs below 35°F. January is usually the coldest month, with an average low of 9°F.
Environmental Initiatives in Stillwater
Beyond its distinct seasons, Stillwater is actively engaged in various environmental initiatives aimed at promoting sustainability and protecting natural resources.
Energy Action Plan
The city’s Energy Action Plan focuses on educating and inspiring residents and businesses to engage in energy-saving practices. The plan aims to save 3.8 million kWh of electricity and 198,000 therms of natural gas by the end of 2025, which would avoid an additional 58% of energy-related greenhouse gas emissions and save the community $450,000.
PFAS Investigation Efforts
In response to concerns about per- and polyfluoroalkyl substances (PFAS) in drinking water, the Minnesota Pollution Control Agency (MPCA) has been actively investigating potential PFAS sources in Stillwater. This includes sampling private wells to determine the extent of contamination and identify sources. The city has taken steps to address these issues, including constructing a new PFAS treatment facility at Well #10, expected to be substantially complete by May 2026.
Environmental Learning Center
Stillwater Area High School manages a 55-acre Environmental Learning Center (ELC) that reflects three major biomes found in Minnesota: oak forest, prairie, and coniferous planting. The ELC serves as an outdoor classroom where students engage in activities such as banding migratory birds, trapping and marking small mammals, and using camera traps to study wildlife.
Sustainable Stillwater MN
Sustainable Stillwater MN is a nonprofit organization dedicated to promoting sustainability across the community. Since its inception in 2013, the organization has supported various initiatives, including the Green Business Directory and the Energy Action Plan. Their work is guided by three key pillars: Environment, Economy, and Community, reflecting a holistic approach to sustainability.
Bird City Program
As part of its commitment to protecting birds and their habitats, Stillwater participates in the Bird City Program. This initiative focuses on education, habitat stewardship, and community collaboration to advance bird conservation efforts. The program aligns with the city’s sustainability goals and enhances biodiversity.
Understanding Stillwater’s climate patterns and the community’s proactive environmental initiatives highlights the city’s dedication to preserving its natural resources and promoting a sustainable future for all residents.