In December, Billings typically sees daytime highs of 2.9°C and overnight lows around -9.0°C. Compared to the annual average high of 15.1°C, December runs -12.2°C.
December in Billings averages a daytime high of 2.9°C and an overnight low of -9.0°C.
December runs -12.2°C compared to Billings's annual average high of 15.1°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 2.9°C and cooler evenings around -9.0°C.