In January, Detroit typically sees daytime highs of -0.9°C and overnight lows around -8.6°C. Compared to the annual average high of 14.3°C, January runs -15.2°C.
January in Detroit averages a daytime high of -0.9°C and an overnight low of -8.6°C.
January runs -15.2°C compared to Detroit's annual average high of 14.3°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near -0.9°C and cooler evenings around -8.6°C.