Greece's climate is characterized by mild winters, with temperatures often below freezing in January and February, but gradually warming up by March. Spring arrives in April and May, bringing warmer days with temperatures frequently reaching the mid-20s Celsius. Summer months of June to August are warm to hot, with temperatures rarely dropping below 10C at night, while summer afternoons can be sweltering, often above 30C. Autumn is pleasant, with September being a highlight, offering comfortable highs and milder nights around 7C. Winters are generally cool, but December's temperatures can dip to near-freezing levels, averaging just 3C.