Change in the typical date of first freezes from 1970 to 2024
Later in year →
±0 days
+5
+10
+15
+20
A symbol map of the U.S. showing the change in the first freeze calendar date from 1970 to 2024 in 205 select cities. The first freeze now comes later in almost all cities, with the biggest change in Reno, Nev. (41 days later). Some cities now have an earlier first freeze, including Dothan, Ala. (16 days sooner).
