Fort Smith experiences a moderate climate with distinct seasonal variations. Winters are chilly, with temperatures often below freezing from January to March, and occasional drops into the negatives during February. As spring arrives in April, temperatures gradually warm up, reaching averages of around 14°C by May, which also marks the beginning of warmer summers. The summer months of June to August are hot, with average highs consistently above 25°C, while September sees a slight cooling trend before autumn sets in. Autumn brings mild temperatures, ranging from 3-24°C, before winters return with their characteristic cold snaps.