In December, Grand Forks typically sees daytime highs of -6.4°C and overnight lows around -16.3°C. Compared to the annual average high of 10.3°C, December runs -16.7°C.
December in Grand Forks averages a daytime high of -6.4°C and an overnight low of -16.3°C.
December runs -16.7°C compared to Grand Forks's annual average high of 10.3°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -6.4°C and cooler evenings around -16.3°C.