In March, Duluth typically sees daytime highs of 0.9°C and overnight lows around -10.5°C. Compared to the annual average high of 9.3°C, March runs -8.4°C.
March in Duluth averages a daytime high of 0.9°C and an overnight low of -10.5°C.
March runs -8.4°C compared to Duluth's annual average high of 9.3°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 0.9°C and cooler evenings around -10.5°C.