Cool but not enough for a new record Belleville, ON, Canada / Quinte News Amanda Smith May 12, 2018 | 4:09 AM It’s cold but not cold enough for a new record. The record low for a May 12 is -1.7 degrees Celsius set in 1940. Yesterday the mercury dipped down to 2.1 degrees. The record high for a May 12 was 28.9 degrees set in 1991.