FrostDateCheck

Trinity, TX 75862 Frost Dates

Trinity, TX: when does the frost end?

Zone 9a

The last spring frost here typically falls around 03/02, about 186 days from today. Fall's first freeze usually shows up around 11/26, roughly 272 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Trinity in Zone 9a (20 to 25°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

With roughly 13 weeks until Trinity's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Trinity's last frost

03/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/24 and only about 1 year in 10 sees frost after that.

Trinity against the rest of the dataset

Trinity's growing season runs about 272 days, ranking 5,389 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 998 of 2,558.

Learn more

Before leaning on 75862's figures: local microclimates explains what one yard in Trinity can differ from the 75862 normal, while zone vs. frost date explains why Zone 9a and Trinity's frost date answer different questions.