Frost dates · Arizona
Arizona counties by frost timing.
Latest at top, earliest at bottom. In most states this matches the north-to-south gradient.
MapList
Sorted by spring frost
Latest → earliest.
Apache County
Spring May 7·Fall Oct 17163-day season
Navajo County
Spring May 1·Fall Oct 20172-day season
Coconino County
Spring Apr 26·Fall Nov 2190-day season
Pima County
Spring Apr 7·Fall Nov 17224-day season
Yavapai County
Spring Apr 1·Fall Nov 8221-day season
Cochise County
Spring Mar 27·Fall Nov 13231-day season
Graham County
Spring Mar 13·Fall Nov 16248-day season
Santa Cruz County
Spring Feb 23·Fall Nov 30280-day season
Mohave County
Spring Feb 16·Fall Dec 9296-day season
Greenlee County
Spring Feb 5·Fall Dec 5303-day season
Yuma County
Spring Jan 23·Fall Dec 11322-day season
Gila County
Spring Jan 14·Fall Jan 10361-day season
Pinal County
Spring Jan 8·Fall Dec 26352-day season
La Paz County
Spring Jan 7·Fall Dec 21348-day season
Maricopa County
Spring Jan 5·Fall Jan 4364-day season