In December, Pocatello typically sees daytime highs of 0.5°C and overnight lows around -9.4°C. Compared to the annual average high of 14.0°C, December runs -13.5°C.
December in Pocatello averages a daytime high of 0.5°C and an overnight low of -9.4°C.
December runs -13.5°C compared to Pocatello's annual average high of 14.0°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 0.5°C and cooler evenings around -9.4°C.