Salerno's winters are mild and cool, with January and February temperatures averaging around 9-10°C, while snow is rare. As spring approaches, temperatures gradually rise, reaching an average of 13°C in April and 18°C in May. Summer brings warm to hot conditions, with July and August averages peaking at 26-27°C, but occasional heatwaves can push temperatures above 35°C. Autumn sees a significant drop in temperature, with September averaging 23°C and October and November ranging from 6-17°C, before winter's return.