Raymondville, TX 78580 Frost Dates
Frost dates for Raymondville, TX, ZIP 78580
The last spring frost here typically falls around 01/21, about 146 days from today. The first fall frost typically arrives around 12/26, about 340 frost-free days later.
Zone 10a (30 to 35°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 Raymondville, not a forecast for this year.
What to do before the first frost
Zone 10a around Raymondville has about 17 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 Raymondville's last frost
01/21 is the middle of 30 years of NOAA records, not a promise. Plant by 02/27 and you're betting against frost in roughly 9 years out of 10. 12/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Raymondville compares
Raymondville's growing season runs about 340 days, ranking 2,626 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 97 of 2,558.
Learn more
zone vs. frost date explains why Zone 10a and Raymondville's frost date answer different questions, and the frost range explains how to read the range around Raymondville's dates instead of trusting one.