Frost in May? 100-year calendar with forecast for the Ice Saints. As of: March 26, 2024, 9:23 a.m By: Juliane Reyle CommentsSplit Will there be frost or will it be warm in summer? Gardeners in particular fear the Ice saints in May.

Frost and temperatures around freezing point damage plants and flowers. The Five Ice Saints are days in May known for causing frost damage due to cold air incursions. The Ice Saints originally followed the Julian calendar, which was replaced by the Gregorian calendar in the 16th century.