Nixon, TX 78140 Frost Dates
Frost dates for Nixon, TX, ZIP 78140
The last spring frost here typically falls around 03/07, about 191 days from today. The first fall frost typically arrives around 11/22, about 260 frost-free days later.
Zone 9a (20 to 25°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 Nixon, not a forecast for this year.
What to do before the first frost
Zone 9a around Nixon has about 12 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.
The actual range around Nixon's last frost
03/07 is the middle of 30 years of NOAA records, not a promise. Plant by 02/09 and you're betting against frost in roughly 9 years out of 10. 03/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Nixon compares
Nixon's growing season runs about 260 days, ranking 6,485 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,333 of 2,558.
Learn more
the frost range explains how to read the range around Nixon's dates instead of trusting one, and local microclimates explains what one yard in Nixon can differ from the 78140 normal.