In December, Sandy typically sees daytime highs of 3.8°C and overnight lows around -6.4°C. Compared to the annual average high of 17.0°C, December runs -13.2°C.
December in Sandy averages a daytime high of 3.8°C and an overnight low of -6.4°C.
December runs -13.2°C compared to Sandy's annual average high of 17.0°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 3.8°C and cooler evenings around -6.4°C.