frost and freeze dates

Asked January 7, 2017, 12:01 PM EST

What time frame is used to determine the average first/last frost and freeze dates for a region? Is this ever updated? What information is used to determine the dates for rural areas that don't have a local weather station?

Frio County Texas

1 Response

For Frio County:

Average date of Last spring frost is Feb. 14th

Average date of first fall frost is Dec 16th

You can go to or and print out the publication 'Texas Home Vegetable Gardening Guide" that publishes the freeze dates.