Galena Park, TX 77547 Frost Dates
77547, near Galena Park, TX: the frost window
Around 01/30 is the usual last spring frost, about 155 days away. Fall's first freeze usually shows up around 12/28, roughly 330 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 Galena Park, not a forecast for this year.
Stretching the season past the first frost
Galena Park's growing season runs out in roughly 17 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
01/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/29 and only about 1 year in 10 sees frost after that.
Galena Park against the rest of the dataset
Galena Park's growing season runs about 330 days, ranking 3,032 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 171 of 2,558.
Learn more
Two guides worth reading on 77547: the frost range, on how to read the range around Galena Park's dates instead of trusting one, and local microclimates, on what one yard in Galena Park can differ from the 77547 normal.