Baytown, TX 77562 Frost Dates
77562, near Baytown, TX: the frost window
The last spring frost here typically falls around 02/20, about 176 days from today. Fall's first freeze usually shows up around 12/04, roughly 292 days after the last spring frost.
Zone 9b (25 to 30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Baytown, not a forecast for this year.
Stretching the season past the first frost
Baytown's growing season runs out in roughly 14 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
02/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/14 and only about 1 year in 10 sees frost after that.
Baytown against the rest of the dataset
About 292 days separate Baytown's last and first frost, putting it 4,318 of 40,283 ZIP codes nationally. Within TX, it ranks 535 of 2,558.
Learn more
Two guides worth reading on 77562: zone vs. frost date, on why Zone 9b and Baytown's frost date answer different questions, and the frost range, on how to read the range around Baytown's dates instead of trusting one.