Stillwater, Minnesota, experiences a Humid Continental climate, characterized by warm summers and cold winters. Average annual high temperatures are around 55.3°F, with lows averaging 36.5°F. The city receives approximately 34.5 inches of precipitation annually, contributing to its diverse natural landscapes.
Seasonal Climate Overview
Winter
Winters in Stillwater are cold, with average low temperatures in January around 6.9°F and highs near 24°F. Snowfall is common, averaging 42 inches annually, providing opportunities for winter sports and activities.
Spring
Spring brings milder temperatures, with April averages ranging from 35.5°F to 56.2°F. This season sees increased precipitation, averaging 3.18 inches, supporting the blooming of local flora.
Summer
Summers are warm and humid, with July temperatures averaging between 63.1°F and 82.7°F. The season also brings the highest rainfall, averaging 4.37 inches in July, often in the form of thunderstorms.
Fall
Autumn features cooler temperatures and vibrant foliage. October averages range from 39.3°F to 58.7°F, with precipitation around 3.06 inches, making it a popular time for outdoor activities.
Environmental Initiatives
Stillwater is committed to environmental sustainability through various initiatives:
Energy Action Plan
The city’s Energy Action Plan aims to save 3.8 million kWh of electricity and 198,000 therms of natural gas by the end of 2025. This effort is expected to reduce greenhouse gas emissions by 58% and save the community $450,000.
Bird City Program
In collaboration with Sustainable Stillwater MN, the Bird City Program focuses on protecting bird habitats and promoting biodiversity. Efforts include habitat restoration and community education to reduce threats to bird populations.
GreenStep Cities Program
Since 2018, Stillwater has participated in the Minnesota GreenStep Cities program, implementing best practices in areas like green building, energy efficiency, and natural resource conservation to enhance sustainability and quality of life.
Community Engagement
Residents are encouraged to participate in local environmental efforts. Volunteering with organizations like Sustainable Stillwater MN offers opportunities to contribute to projects such as community cleanups, habitat restoration, and educational programs.
Understanding Stillwater’s climate and engaging in environmental initiatives are vital steps toward fostering a sustainable and resilient community.

