Mar-Mac Weather Today

Mar-Mac is a small unincorporated community located in the western part of Dubuque County, Iowa, United States. Mar-Mac is situated near the banks of the Mississippi River, just north of the city of Dubuque. The climate in Mar-Mac is generally mild, with hot, humid summers and cold, snowy winters. The average yearly temperature is around 50 degrees Fahrenheit, with average highs in the summer reaching in the mid-80s and lows in the winter dipping into the low-teens. Precipitation is fairly evenly spread out throughout the year, with average annual precipitation of around 33 inches.