College Station, TX 77845 Frost Dates
77845, near College Station, TX: the frost window
Typically, the last spring freeze lands around 02/27, roughly 183 days out. Fall's first freeze usually shows up around 11/30, roughly 278 days after the last spring frost.
College Station 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
College Station's growing season runs out in roughly 13 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 02/27 isn't a guarantee
02/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/18 and only about 1 year in 10 sees frost after that.
College Station against the rest of the dataset
College Station's growing season runs about 278 days, ranking 4,909 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 742 of 2,558.
Learn more
Two guides worth reading on 77845: the frost range, on how to read the range around College Station's dates instead of trusting one, and local microclimates, on what one yard in College Station can differ from the 77845 normal.