Temperature for January
In Detroit, MI during January the average high temperature is 32.4°F. The hottest day on record was January 7, 2008 when the temperature recorded was 63.0°F.

In Detroit, MI during January the average high temperature is 32.4°F. The hottest day on record was January 7, 2008 when the temperature recorded was 63.0°F.
In January the average monthly rainfall in Detroit, MI is 0.42 inches with rain usually falling on between 4 and 5 days. 1974 was the driest January with only 0.00 inches of rain falling, and 2007 was the wettest January with 3.90 inches of rain. The wettest single day in January was 18 January 2006 when 0.93 inches of rain fell.
In January it usually snows on between 12 and 13 days. In January there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in January.