Weather forecast builder for the Via Romea Germanica: Padua → Rome

On the Via Romea Germanica from Padua to Rome, conditions shift from misty lowlands through showery Apennine ridges to warmer central valleys. Windows with milder temperatures and longer daylight generally fall in late March to mid May and late August to early October; April and September often align closely with this pattern. Expect changeable weather along the way: cooler, wetter spells in the north and at elevation, and brighter, warmer stretches approaching Lazio, with heat on the plains and occasional lingering snow or ice on higher crossings early in the season.

• Spring: Changeable days alternate between bright spells and recurrent showers; mild to warm afternoons, cool nights, cooler ridges, occasional late snow, downpours 15–50 mm.
• Summer: Predominantly hot with strong sun; plains often near 35–40°C, cooler Apennines, brief thunderstorms dropping 5–45 mm, humidity moderate to high.
• Autumn: Changeable skies with frequent showers and clearer breaks; cool to mild temperatures, crisp nights, occasional heavy fronts delivering single-day totals around 35–81 mm.
• Winter: Grey and damp with frequent overcast, drizzle, and rain; cold snaps bring Apennine snowfall, brief lowland snow, and wet pulses around 15–50 mm.