Average Weekly Hours of All Employees: Manufacturing in Michigan was 41.10000 Hours per Week in March of 2022, according to the United States Federal Reserve. Historically, Average Weekly Hours of All Employees: Manufacturing in Michigan reached a record high of 43.10000 in December of 2013 and a record low of 36.70000 in April of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Average Weekly Hours of All Employees: Manufacturing in Michigan - last updated from the United States Federal Reserve on April of 2024.