Sulphur Springs, TX 75483 Frost Dates
75483, near Sulphur Springs, TX: the frost window
Typically, the last spring freeze lands around 03/15, roughly 199 days out. Fall's first freeze usually shows up around 11/14, roughly 245 days after the last spring frost.
Sulphur Springs sits in USDA Zone 8b (15 to 20°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.
Stretching the season past the first frost
Sulphur Springs'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 Sulphur Springs's last frost
03/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/04 and only about 1 year in 10 sees frost after that.
Sulphur Springs against the rest of the dataset
At roughly 245 frost-free days, Sulphur Springs places 7,995 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,801 of 2,558.
Learn more
Two guides worth reading on 75483: local microclimates, on what one yard in Sulphur Springs can differ from the 75483 normal, and zone vs. frost date, on why Zone 8b and Sulphur Springs's frost date answer different questions.