Ercolano's winters are mild, with temperatures rarely dropping below 0°C and averaging around 9-11°C in January and February. As spring approaches, temperatures gradually rise, reaching averages of 13-18°C in April and May. Summer is warm to hot, with July and August being the hottest months, averaging highs above 26°C. Autumn brings a slight cooling, with temperatures ranging from 6-23°C, before dropping back down to mild winter conditions. Overall, Ercolano experiences a Mediterranean climate with mild winters and warm summers, ideal for outdoor activities throughout most of the year.