March on the Via Francigena: Lausanne – Roma presents fluctuating temperatures, beginning with sub-zero mornings around Lausanne and transitioning to warmer days as you proceed towards Roma, which occasionally reaches above 20°C. Rain and snowfall mark the trail's early stages in the Swiss Alps. As the journey progresses southward into Italy, conditions become drier, though sporadic showers make appearances. By contrast, lows in Roma hover near 9°C, with sunshine accompanying much of the route.
The journey kicks off in Lausanne with a mix of rain, snow, and sunshine. March mornings start near freezing, and daytime highs only reach single digits, barring a few warmer days. Above 10°C is recorded briefly, but chilly winds and moderate rain are frequent. As the route moves through Vevey to Aigle, rain showers continue, occasionally turning to heavy snow, and temperatures struggle to climb above 5°C.
Entering Saint-Maurice and Martigny, expect colder temperatures with heavy snow showers and lows deep in negatives, exacerbated by biting winds. Snowfall persists through Orsières to Bourg-Saint-Pierre, where temperatures plummet further. Conditions at higher altitudes like Col du Grand-Saint-Bernard include consistent snow and freezing rain.
Descending into Italy via Étroubles and Aosta, the weather remains snowy, but temperatures gradually rise, allowing occasional respite with sunny breaks. However, expect interludes of heavy rain across Châtillon to Pont-Saint-Martin.
From Ivrea to Santhià and onward through Vercelli, the climate transitions to a milder, although still wet, environment. Moving into the plains, highs in the teens are common, with alternating rain showers and sunny patches prevalent in this section to Piacenza.
The route warms up noticeably from Fiorenzuola d'Arda to San Gimignano. Here, days often reach 20°C coupled with intermittent rain, while sunny interludes increase in frequency. As the trail progresses around Siena to Radicofani, patches of rain punctuate otherwise clear skies, characterizing the generally temperate climate across these regions.
Weather conditions near Acquapendente to Bolsena and Montefiascone can be unpredictable during March, with days oscillating between warm sunshine and heavy rains. The trend continues in Viterbo and Vetralla where warmer stretches are interrupted by periodic heavy rain showers.
Traversing Sutri through Campagnano di Roma, rain becomes less frequent, and sunshine prevails as temperatures rise consistently over 15°C in Roma itself. Mornings can still be brisk, but the general warming trend offers a pleasant end to the journey, with sunny weather providing a fitting welcome as the Via Francigena concludes.
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