Nassau Bay, TX 77058 Frost Dates
77058, near Nassau Bay, TX: the frost window
The last spring frost here typically falls around 01/31, about 156 days from today. Fall's first freeze usually shows up around 12/14, roughly 317 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 Nassau Bay, not a forecast for this year.
Stretching the season past the first frost
Nassau Bay's growing season runs out in roughly 15 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
01/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/25 and only about 1 year in 10 sees frost after that.
Nassau Bay against the rest of the dataset
About 317 days separate Nassau Bay's last and first frost, putting it 3,380 of 40,283 ZIP codes nationally. Within TX, it ranks 264 of 2,558.
Learn more
Two guides worth reading on 77058: zone vs. frost date, on why Zone 9b and Nassau Bay's frost date answer different questions, and the frost range, on how to read the range around Nassau Bay's dates instead of trusting one.