Las Vegas, NV 89108 Frost Dates
89108, near Las Vegas, NV: the frost window
Around 01/24 is the usual last spring frost, about 149 days away. Fall's first freeze usually shows up around 12/10, roughly 323 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Las Vegas in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Las Vegas's growing season runs out in roughly 15 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
01/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/27 and only about 1 year in 10 sees frost after that.
Las Vegas against the rest of the dataset
At roughly 323 frost-free days, Las Vegas places 3,239 of 40,283 ZIP codes in this dataset. Within NV, it ranks 53 of 222.
Learn more
Two guides worth reading on 89108: zone vs. frost date, on why Zone 9b and Las Vegas's frost date answer different questions, and the frost range, on how to read the range around Las Vegas's dates instead of trusting one.