Tennessee Weather > Michie Weather Michie, TN Weather Michie, TN climate is warm during summer when temperatures tend to be in the 70's and cold during winter when temperatures tend to be in the 40's. The warmest month of the year is July with an average maximum temperature of 90.50 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 27.20 degrees Fahrenheit.