In January, Oak Lawn typically sees daytime highs of -1.1°C and overnight lows around -9.6°C. Compared to the annual average high of 15.2°C, January runs -16.4°C.
January in Oak Lawn averages a daytime high of -1.1°C and an overnight low of -9.6°C.
January runs -16.4°C compared to Oak Lawn's annual average high of 15.2°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near -1.1°C and cooler evenings around -9.6°C.