The most general definition of climate change is a change in the statistical properties (principally its mean and spread) of the climate system when considered over long periods of time, regardless of cause.
Welcome to Your Sanctuary of the Great Lakes. Welcome to the community known as the Sanctuary of the Great Lakes. The historic Michigan port city of Alpena is nestled between a vast forest and an endless clear blue bay on Lake Huron. As your Sanctuary of the Great Lakes, Alpena is a haven from the storms of life. We want you to leave your cares behind and embrace serenity in our forests, lakes, rivers, and culture.
Michigan Weather > Alpena Weather Alpena, MI Weather Alpena, MI climate is mild during summer when temperatures tend to be in the 60's and extremely cold during winter when temperatures tend to be in the 10's. The warmest month of the year is July with an average maximum temperature of 76.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 12.00 degrees Fahrenheit.