Duluth Weather Forecast

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Last Updated: December 19, 2025

Duluth is a port city located in northern Minnesota, situated on the shores of Lake Superior.


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Summary

It experiences a humid continental climate with cold winters and warm summers. The city has a diverse hydrology, with numerous streams and rivers flowing into Lake Superior. The St. Louis River is a major waterway in the area, providing opportunities for kayaking, fishing, and boating. The city also has several parks and trails, including the Superior Hiking Trail and the Lakewalk, which offer scenic views and outdoor recreation opportunities. Duluth is also home to several ski resorts and snowmobile trails, making it a popular winter destination.

       

Weather Forecast

Duluth receives approximately 711mm of rain per year, with humidity levels near 82% and air temperatures averaging around 5°C. Duluth has a plant hardyness factor of 4, meaning plants and agriculture in this region thrive during a short period during spring and early summer. Most plants will die off during the colder winter months.