Henderson, NV 89070 Frost Dates
Frost dates for Henderson, NV, ZIP 89070
The last spring frost here typically falls around 01/21, about 146 days from today. The first fall frost typically arrives around 12/17, about 328 frost-free days later.
Zone 8b (15 to 20°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 Henderson, not a forecast for this year.
What to do before the first frost
Zone 8b around Henderson has about 16 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 01/21 isn't a guarantee
01/21 is the middle of 30 years of NOAA records, not a promise. Plant by 03/05 and you're betting against frost in roughly 9 years out of 10. 12/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Henderson compares
Henderson's growing season runs about 328 days, ranking 3,146 of 40,283 US ZIP codes measured here, longest to shortest. Within NV, it ranks 22 of 222.
Learn more
zone vs. frost date explains why Zone 8b and Henderson's frost date answer different questions, and the frost range explains how to read the range around Henderson's dates instead of trusting one.