Winters in San Giuseppe Vesuviano are mild, with temperatures rarely dropping below freezing and averaging around 9-11°C. Spring brings a steady warming trend, with temperatures gradually increasing by 2-3°C each month until May, when they reach an average of 18°C. Summer is hot and dry, with July and August often seeing temperatures soar above 30°C, but also experiencing some relief in the form of occasional cooler days. Autumn sees a gradual cooling trend, with temperatures dropping back down to around 10-15°C by November.