In the winter the crusaders were affected by floods and disease, and the siege dragged on throughout 1219, when Francis of Assisi arrived to attempt to negotiate a truce.
Talvel said ristisõdijad kannatada haiguspuhangutest ja üleujutustest, 1219. aastal saabus Franciscus Assisist, kes hakkas pidama läbirääkimisi vaherahu saavutamiseks.