Located along the scenic St. Croix River, Stillwater, Minnesota, experiences a diverse range of weather conditions throughout the year. Understanding these patterns can help residents and visitors prepare for the seasons and appreciate the natural beauty of our area.
Winter: Cold and Snowy
Winter in Stillwater is characterized by freezing temperatures and snowfall. Average low temperatures in January hover around 6.9°F, with highs reaching approximately 24.0°F. Snowfall is common, contributing to the picturesque winter landscapes that many enjoy during this season.
Spring: Gradual Warming
As spring arrives, temperatures begin to rise, and the area experiences increased rainfall. March sees average highs of 41.3°F, while May warms up to around 68.5°F. This period also brings about 4.21 inches of precipitation in May, supporting the blooming flora and rejuvenating local ecosystems.
Summer: Warm and Humid
Summers in Stillwater are warm and can be humid, with July being the hottest month. Average high temperatures in July reach 82.7°F, and the area receives approximately 4.37 inches of rainfall. These conditions are ideal for outdoor activities along the St. Croix River and in local parks.
Fall: Cooling Temperatures
Autumn brings cooler temperatures and a decrease in precipitation. September averages highs of 72.8°F, dropping to 58.7°F by October. The fall foliage in Stillwater is particularly stunning, attracting visitors and photographers alike.
Environmental Considerations
Stillwater’s climate has shown gradual changes over the years. Studies indicate an increase in average temperatures and more variable precipitation patterns, including more frequent heavy rainfall events. These changes can impact local ecosystems and water bodies.
For instance, the Minnesota Pollution Control Agency has identified several water bodies in the Stillwater area as impaired due to factors like high levels of phosphorus and other pollutants. Efforts are ongoing to monitor and improve the health of these waters to ensure they remain safe and enjoyable for all.
Understanding Stillwater’s climate and environmental challenges is essential for residents and visitors to make informed decisions and contribute to the preservation of our beautiful community.

