Marousi, Greece experiences a moderate climate with distinct seasonal variations. In winter, temperatures are quite chilly, often dropping below freezing, but can still reach mild highs around 24°C in January and February. Spring brings significant warming, with April averaging 14°C and May reaching highs of up to 34°C. Summer is hot and dry, with July and August averaging 29°C and 28°C respectively, while September sees a slight cooling trend. Autumn is mild, with October temperatures ranging from 8°C to 27°C, before dropping again in November and December.