In August, Ellicott City typically sees daytime highs of 29.0°C and overnight lows around 17.3°C. Compared to the annual average high of 17.8°C, August runs +11.3°C.
August in Ellicott City averages a daytime high of 29.0°C and an overnight low of 17.3°C.
August runs +11.3°C compared to Ellicott City's annual average high of 17.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 29.0°C and cooler evenings around 17.3°C.