Avellino's climate is characterized by mild winters, with January and February temperatures averaging around 9-10°C, occasionally dipping below freezing. Spring brings gradual warming, with March through May temperatures rising steadily to an average of 18°C in May. Summer months are warm to hot, with June and July highs often reaching the mid-30s, while August is usually the hottest month, but with similar temperatures to July. Autumn is mild, with September and October temperatures averaging around 24°C before cooling down in November and December, which see temperatures dip back into single digits on occasion. The temperature range throughout the year remains relatively narrow, with no extreme variations between seasons.