Grand Marais, nestled along the shores of Lake Superior, experiences a distinctive climate characterized by its proximity to the vast lake. This article provides an overview of the city’s weather patterns throughout the year, highlighting the influence of Lake Superior on local conditions.
Seasonal Temperature Variations
Grand Marais has a warm-summer humid continental climate. The moderating effect of Lake Superior results in cooler summers and milder winters compared to areas further inland. The average annual temperature is approximately 39°F (3.9°C).
Summer
Summers are comfortable, with average high temperatures just below 70°F (21°C) in July and August. The warm season lasts from mid-June to mid-September, with daily high temperatures above 60°F (16°C). The hottest month is August, averaging a high of 68°F (20°C) and a low of 55°F (13°C).
Winter
Winters are cold and snowy, with average low temperatures around 5°F (-15°C) in January. The cold season spans from December to early March, with daily high temperatures below 33°F (1°C). The coldest month is January, with an average low of 5°F (-15°C) and a high of 22°F (-6°C).
Precipitation and Snowfall
Grand Marais receives an average annual precipitation of approximately 28.41 inches (721.6 mm). Snowfall is significant during the winter months, with December typically experiencing the highest snowfall, averaging 6.5 inches (165 mm).
Climate Change and Local Initiatives
Recognizing the impacts of climate change, Grand Marais has taken proactive steps to address environmental challenges. In 2017, the city adopted the Climate Inheritance Resolution, committing to significantly reduce greenhouse gas emissions. The subsequent Climate Action Plan aims for carbon neutrality by 2040, focusing on building efficiency, electrification of heating and transportation, and renewable energy adoption.
Understanding the unique climate of Grand Marais is essential for residents and visitors alike. The city’s commitment to sustainability and climate action reflects a proactive approach to preserving its natural environment for future generations.