In March, Dartmouth typically sees daytime highs of 2.7°C and overnight lows around -4.7°C. Compared to the annual average high of 10.5°C, March runs -7.8°C.
March in Dartmouth averages a daytime high of 2.7°C and an overnight low of -4.7°C.
March runs -7.8°C compared to Dartmouth's annual average high of 10.5°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 2.7°C and cooler evenings around -4.7°C.