First Frost Date By Zip Code 2024 Map. What are the 2024 frost dates? The morningchores website has a handy frost date table by usda zone, and the old farmer's almanac has a tool where you can type in your zip code and it will show your frost dates.
As the name suggests, the first frost date is simply the average day in your area when the temperatures reach 32โ. Places where the last freezing date occurs before the start of spring on average are in the shades of purple, and places where the last spring freeze occurs after the start of spring on average are colored green.