Stillwater, Minnesota, experiences a diverse climate characterized by distinct seasonal changes. Understanding these patterns is essential for residents and visitors alike.
Climate Overview
Located in the Upper Midwest, Stillwater has a humid continental climate. Winters are cold and snowy, while summers are warm and humid. The average annual snowfall is approximately 42 inches, and the city receives about 24 inches of rainfall each year. On average, there are 14 days annually with temperatures exceeding 90°F.
Monthly Averages
Here’s a snapshot of Stillwater’s average temperatures and precipitation:
| Month | Avg. Low (°F) | Avg. High (°F) | Avg. Precipitation (inches) |
|---|---|---|---|
| January | 6.9 | 24.0 | 0.93 |
| February | 10.2 | 29.0 | 0.87 |
| March | 22.2 | 41.3 | 1.62 |
| April | 35.5 | 56.2 | 3.18 |
| May | 48.1 | 68.5 | 4.21 |
| June | 58.5 | 78.3 | 5.05 |
| July | 63.1 | 82.7 | 4.37 |
| August | 60.5 | 80.5 | 4.7 |
| September | 52.2 | 72.8 | 3.53 |
| October | 39.3 | 58.7 | 3.06 |
| November | 26.7 | 42.8 | 1.73 |
| December | 14.3 | 29.1 | 1.28 |
Environmental Initiatives
Stillwater is committed to environmental stewardship through various initiatives:
Environmental Learning Center
Adjacent to Stillwater Area High School, the 55-acre Environmental Learning Center (ELC) features diverse biomes, including oak forests, prairies, and coniferous plantings. The ELC serves as an outdoor classroom for students and offers public hiking opportunities, though dogs are not permitted.
Sustainable Stillwater MN
Established in 2016, Sustainable Stillwater MN is a nonprofit organization dedicated to promoting sustainability within the community. Their efforts include:
- Advocating for the city’s participation in the Minnesota GreenStep Cities program, which provides guidelines for achieving sustainability and resiliency.
- Collaborating with city officials to develop a Climate Action Plan.
- Organizing community events like the annual Valley Eco Fair to educate and engage residents in environmental practices.
Water Quality Monitoring
The city actively monitors drinking water for contaminants, including per- and polyfluoroalkyl substances (PFAS). Regular testing ensures that water quality meets health-based guidance values, safeguarding public health.
By understanding Stillwater’s climate and supporting local environmental initiatives, residents can contribute to a sustainable and resilient community.

