In December, Amherst typically sees daytime highs of 2.2°C and overnight lows around -5.1°C. Compared to the annual average high of 13.5°C, December runs -11.3°C.
December in Amherst averages a daytime high of 2.2°C and an overnight low of -5.1°C.
December runs -11.3°C compared to Amherst's annual average high of 13.5°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 2.2°C and cooler evenings around -5.1°C.