Winnemucca, NV 89445 Frost Dates
Frost dates for Winnemucca, NV, ZIP 89445
The last spring frost here typically falls around 05/31, about 276 days from today. The first fall frost typically arrives around 09/17, about 108 frost-free days later.
The USDA Plant Hardiness Zone Map puts Winnemucca in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6b around Winnemucca has about 3 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 Winnemucca's last frost
05/31 is the middle of 30 years of NOAA records, not a promise. Plant by 05/10 and you're betting against frost in roughly 9 years out of 10. 06/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Winnemucca compares
At roughly 108 frost-free days, Winnemucca places 39,536 of 40,283 ZIP codes in this dataset. Within NV, it ranks 203 of 222.
Learn more
zone vs. frost date explains why Zone 6b and Winnemucca's frost date answer different questions, and the frost range explains how to read the range around Winnemucca's dates instead of trusting one.