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Choose dates around the kind of day you want. Summer supports evening performances and long daylight, but stone squares, bridges and tower terraces offer limited shade. Spring and autumn are generally better for linking outdoor monuments with churches and museums, though rain can interrupt river and garden plans. Winter brings shorter days and cooler, sometimes damp conditions; it favors a compact route built around major interiors. Event calendars matter as much as weather. Arena performances can change daytime monument access, while church services affect tourist visits throughout the year. Keep one indoor alternative, such as Castelvecchio Museum, for wet or unusually hot periods, and check a current forecast close to travel. Comfortable shoes and water matter in every season because the best comparisons come from linking several sites on foot rather than moving between isolated entrances.