Pocatello's winters are typically cold, with temperatures often dropping below freezing and averaging around -1°C in January. As the season transitions into spring, March brings warmer days, with temperatures occasionally reaching up to 19°C on average. Summer months of June, July, and August see a significant temperature increase, with averages ranging from 21°C to 25°C. Autumn is relatively mild, with September being one of the warmest months, but temperatures drop again in November, returning to colder averages around -1°C by December.