In January, Ann Arbor typically sees daytime highs of -0.9°C and overnight lows around -9.4°C. Compared to the annual average high of 14.4°C, January runs -15.3°C.
January in Ann Arbor averages a daytime high of -0.9°C and an overnight low of -9.4°C.
January runs -15.3°C compared to Ann Arbor's annual average high of 14.4°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near -0.9°C and cooler evenings around -9.4°C.