Navasota, TX 77868 Frost Dates
77868, near Navasota, TX: the frost window
Typically, the last spring freeze lands around 03/07, roughly 191 days out. Fall's first freeze usually shows up around 11/19, roughly 259 days after the last spring frost.
Navasota sits in USDA Zone 9a (20 to 25°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
Navasota'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.
How much risk comes with planting early here
03/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/31 and only about 1 year in 10 sees frost after that.
Navasota against the rest of the dataset
At roughly 259 frost-free days, Navasota places 6,573 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,384 of 2,558.
Learn more
Two guides worth reading on 77868: local microclimates, on what one yard in Navasota can differ from the 77868 normal, and zone vs. frost date, on why Zone 9a and Navasota's frost date answer different questions.