Acerra, Italy's climate is characterized by mild winters and warm summers. January and February are the chilliest months, with temperatures ranging from just below freezing to around 16°C, while March and April bring a gradual warming trend, with average highs reaching up to 23°C. Summer arrives in June, bringing hot days with temperatures often above 30°C, peaking at 37°C in July and August. Autumn is mild, with September being the warmest month of the season, before cooler temperatures return in November and December.