FrostDateCheck

Wimberley, TX 78623 Frost Dates

When can you plant in Wimberley, TX?

Zone 9a

The last spring frost here typically falls around 03/01, about 185 days from today. The first fall frost typically arrives around 12/01, about 276 frost-free days later.

Wimberley sits in USDA Zone 9a (20 to 25°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

About 14 weeks of growing season left in Wimberley before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

Why 03/01 isn't a guarantee

03/01 is the middle of 30 years of NOAA records, not a promise. Plant by 01/31 and you're betting against frost in roughly 9 years out of 10. 03/22 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Wimberley compares

At roughly 276 frost-free days, Wimberley places 5,093 of 40,283 ZIP codes in this dataset. Within TX, it ranks 833 of 2,558.

Learn more

zone vs. frost date covers why Zone 9a and Wimberley's frost date answer different questions. the frost range covers how to read the range around Wimberley's dates instead of trusting one.