Winters in Salem are cool and occasionally cold, with temperatures often below freezing, especially from January to March. Spring brings a gradual warming trend, with temperatures rising steadily from April to June, when they can reach up to 46 degrees Celsius. Summer is warm, but not hot, with temperatures mostly in the mid-20s to low 30s Celsius from July to August. Autumn is mild and temperate, with temperatures dropping back down towards average as the seasons transition, ranging from cool to mild by October and November.