Sioux Falls, located in the Upper Midwest, experiences a humid continental climate characterized by hot, humid summers and cold, dry winters. This climate results from the city’s inland position and its exposure to various air masses from the Arctic, the Gulf of Mexico, and the Pacific Northwest.
Climate Overview
Throughout the year, Sioux Falls witnesses significant temperature fluctuations. Average high temperatures range from 25°F (-3.9°C) in January to 84°F (28.9°C) in July. The city receives approximately 27.85 inches (707 mm) of precipitation annually, with snowfall totaling around 45.3 inches (115 cm).
Environmental Initiatives
The City of Sioux Falls is committed to enhancing environmental sustainability through various programs:
Native Prairie Project
Initiated in 2015, the Native Prairie Project aims to establish native vegetation areas to improve water and air quality, reduce erosion, and provide habitats for local wildlife. Notable sites include buffer strips in Yankton Trail Park, Dunham Park, and Legacy Park.
Sustainable Community Grants
Since 2016, the city has offered Sustainable Community Grants to local nonprofits, supporting projects in recycling, waste reduction, water conservation, and sustainable living. Over the past decade, nearly $90,000 has been awarded to initiatives that promote community-wide sustainability.
Annual Free Landfill Pass
To encourage proper waste disposal, residents of Sioux Falls and surrounding counties can utilize an annual free landfill pass, allowing them to dispose of one load of material at the Sioux Falls Regional Landfill without charge.
Community Involvement
Local organizations like SoDak Compost, established in 2022, offer residents opportunities to divert food scraps from landfills through community composting programs. Their mission focuses on sustainability education and promoting composting benefits.
Understanding Sioux Falls’ climate and participating in these environmental initiatives can help residents contribute to a more sustainable and resilient community.

