FrostDateCheck

Anahuac, TX 77617 Frost Dates

77617, near Anahuac, TX: the frost window

Zone 9b

The last spring frost here typically falls around 01/25, about 150 days from today. Fall's first freeze usually shows up around 01/01, roughly 348 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Anahuac in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

Anahuac's growing season runs out in roughly 18 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Anahuac's last frost

01/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/23 and only about 1 year in 10 sees frost after that.

Anahuac against the rest of the dataset

About 348 days separate Anahuac's last and first frost, putting it 2,375 of 40,283 ZIP codes nationally. Within TX, it ranks 78 of 2,558.

Learn more

Two guides worth reading on 77617: zone vs. frost date, on why Zone 9b and Anahuac's frost date answer different questions, and the frost range, on how to read the range around Anahuac's dates instead of trusting one.