Eagle Lake, TX 77442 Frost Dates
Frost dates for Eagle Lake, TX, ZIP 77442
Around 02/21 is the usual last spring frost, about 177 days away. The first fall frost typically arrives around 12/01, about 285 frost-free days later.
Eagle Lake 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.
What to do before the first frost
Zone 9a around Eagle Lake has about 14 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 02/21 isn't a guarantee
02/21 is the middle of 30 years of NOAA records, not a promise. Plant by 01/22 and you're betting against frost in roughly 9 years out of 10. 03/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Eagle Lake compares
Eagle Lake's growing season runs about 285 days, ranking 4,642 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 706 of 2,558.
Learn more
zone vs. frost date explains why Zone 9a and Eagle Lake's frost date answer different questions, and the frost range explains how to read the range around Eagle Lake's dates instead of trusting one.