Carthage, TX 75633 Frost Dates
75633, near Carthage, TX: the frost window
The last spring frost here typically falls around 03/11, about 195 days from today. Fall's first freeze usually shows up around 11/17, roughly 250 days after the last spring frost.
Carthage 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
Carthage's growing season runs out in roughly 12 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 Carthage's last frost
03/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/30 and only about 1 year in 10 sees frost after that.
Carthage against the rest of the dataset
Carthage's growing season runs about 250 days, ranking 7,523 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,681 of 2,558.
Learn more
Two guides worth reading on 75633: the frost range, on how to read the range around Carthage's dates instead of trusting one, and local microclimates, on what one yard in Carthage can differ from the 75633 normal.