Collinsville, TX 76233 Frost Dates
Collinsville, TX: when does the frost end?
Typically, the last spring freeze lands around 03/14, roughly 198 days out. Fall's first freeze usually shows up around 11/19, roughly 250 days after the last spring frost.
Collinsville sits in USDA Zone 8a (10 to 15°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
With roughly 12 weeks until Collinsville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Collinsville's last frost
03/14 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 04/01 and only about 1 year in 10 sees frost after that.
Collinsville against the rest of the dataset
At roughly 250 frost-free days, Collinsville places 7,545 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,689 of 2,558.
Learn more
Before leaning on 76233's figures: zone vs. frost date explains why Zone 8a and Collinsville's frost date answer different questions, while the frost range explains how to read the range around Collinsville's dates instead of trusting one.