Vercelli's climate is characterized by mild springs and autumns, with temperatures gradually warming up from March to May. Winters are cold but not extreme, with January and December averaging around 2°C and 3°C respectively, while summers are warm to hot, with July and August often reaching highs of 33°C. The temperature fluctuations are more pronounced in the spring and autumn months, with April and October experiencing a wider range of temperatures. The summer months tend to be relatively stable, with minimal temperature variation. Overall, Vercelli's climate is moderate, without any extreme heatwaves or cold snaps.