Dublin, TX 76446 Frost Dates
76446, near Dublin, TX: the frost window
Around 03/16 is the usual last spring frost, about 200 days away. Fall's first freeze usually shows up around 11/16, roughly 243 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Dublin in Zone 8b (15 to 20°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
Dublin's growing season runs out in roughly 11 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 Dublin's last frost
03/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/05 and only about 1 year in 10 sees frost after that.
Dublin against the rest of the dataset
About 243 days separate Dublin's last and first frost, putting it 8,300 of 40,283 ZIP codes nationally. Within TX, it ranks 1,849 of 2,558.
Learn more
Two guides worth reading on 76446: local microclimates, on what one yard in Dublin can differ from the 76446 normal, and zone vs. frost date, on why Zone 8b and Dublin's frost date answer different questions.