In July, Oak Lawn typically sees daytime highs of 28.9°C and overnight lows around 17.3°C. Compared to the annual average high of 15.2°C, July runs +13.6°C.
July in Oak Lawn averages a daytime high of 28.9°C and an overnight low of 17.3°C.
July runs +13.6°C compared to Oak Lawn's annual average high of 15.2°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 28.9°C and cooler evenings around 17.3°C.