Winnemucca, NV 89404 Frost Dates
89404, near Winnemucca, NV: the frost window
Around 05/08 is the usual last spring frost, about 253 days away. Fall's first freeze usually shows up around 10/11, roughly 154 days after the last spring frost.
Zone 6b (-5 to 0°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 Winnemucca, not a forecast for this year.
Stretching the season past the first frost
Winnemucca's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/08 isn't a guarantee
05/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/30 and only about 1 year in 10 sees frost after that.
Winnemucca against the rest of the dataset
At roughly 154 frost-free days, Winnemucca places 34,257 of 40,283 ZIP codes in this dataset. Within NV, it ranks 164 of 222.
Learn more
Two guides worth reading on 89404: local microclimates, on what one yard in Winnemucca can differ from the 89404 normal, and zone vs. frost date, on why Zone 6b and Winnemucca's frost date answer different questions.