In March, Appleton typically sees daytime highs of 3.7°C and overnight lows around -6.5°C. Compared to the annual average high of 12.5°C, March runs -8.8°C.
March in Appleton averages a daytime high of 3.7°C and an overnight low of -6.5°C.
March runs -8.8°C compared to Appleton's annual average high of 12.5°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 3.7°C and cooler evenings around -6.5°C.