In March, Ellicott City typically sees daytime highs of 11.3°C and overnight lows around -0.0°C. Compared to the annual average high of 17.8°C, March runs -6.4°C.
March in Ellicott City averages a daytime high of 11.3°C and an overnight low of -0.0°C.
March runs -6.4°C compared to Ellicott City's annual average high of 17.8°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 11.3°C and cooler evenings around -0.0°C.