Temperature for January 2001
In January 2001 the average high temperature in Detroit, MI was 33.4°F, and this was 1.0°F warmer than the average of 32.4°F. The hottest day in January 2001 was 31 January when the temperature reached 44.1°F. Overnight the average temperature in January is 20.8°F and in 2001 the average overnight temperature was 0.3°F cooler at 20.5°F.