December in Pocatello averages a daily high of 2.7°C with nights around -5.6°C. Expect roughly 9.7 wet days totalling 32.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Pocatello is June.
Based on POCATELLO CITY, ID US (0.4km), 1995–2024. 18 years of December data.