Claim: Saint Vigilius of Trent (Italian: San Vigilio di Trento) is venerated as the patron saint, first bishop of Trent whose arm was removed as a separate relic after his death and placed into its own reliquary in 1386 and it is also said that "If it freezes on St. Vigilius’ Day, frost will come in March!”.
Evidence: Saint Vigilius of Trent (Italian: San Vigilio di Trento) is venerated as the patron saint and first bishop of Trent. Vigilius' arm was removed as a separate relic and placed into its own reliquary in 1386. A German farmers' saying associated with a 2nd feast day of January 31 was: "Friert es zu Vigilius / im März die Eiseskälte kommen muss!" ("If it freezes on St. Vigilius' Day, frost will come in March!").