In April, Ellicott City typically sees daytime highs of 18.0°C and overnight lows around 5.2°C. Compared to the annual average high of 17.8°C, April runs +0.3°C.
April in Ellicott City averages a daytime high of 18.0°C and an overnight low of 5.2°C.
April runs +0.3°C compared to Ellicott City's annual average high of 17.8°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 18.0°C and cooler evenings around 5.2°C.