The highest temperature statewide was , which was recorded in south St. George, near the Arizona border on July 4, 2007, breaking the previous record-holder, at , also set in St. George on July 5, 1985. The record high minimum temperature is set on July 15, 1970 and July 3, 2013. Nighttime freezes are common during the winter due to radiational cooling. Both the record low temperature of and record low maximum temperature of were set on January 22, 1937; the record low temperature occurred again on January 26, 1937, both during the record cold month of January 1937 across the Western United States.