FrostDateCheck

Sparks, NV 89521 Frost Dates

Sparks, NV: when does the frost end?

Zone 7a

Typically, the last spring freeze lands around 04/20, roughly 235 days out. Fall's first freeze usually shows up around 10/23, roughly 184 days after the last spring frost.

Sparks sits in USDA Zone 7a (0 to 5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

Stretching the season past the first frost

With roughly 8 weeks until Sparks's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Sparks's last frost

04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.

Sparks against the rest of the dataset

At roughly 184 frost-free days, Sparks places 23,389 of 40,283 ZIP codes in this dataset. Within NV, it ranks 139 of 222.

Learn more

Before leaning on 89521's figures: the frost range explains how to read the range around Sparks's dates instead of trusting one, while local microclimates explains what one yard in Sparks can differ from the 89521 normal.