FrostDateCheck

Nevada City, CA 95715 Frost Dates

Frost dates for Nevada City, CA, ZIP 95715

Zone 8a

Around 05/04 is the usual last spring frost, about 249 days away. The first fall frost typically arrives around 11/04, about 183 frost-free days later.

The USDA Plant Hardiness Zone Map puts Nevada City in Zone 8a (10 to 15°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 8a around Nevada City has about 10 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.

How much risk comes with planting early here

05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/31 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Nevada City compares

At roughly 183 frost-free days, Nevada City places 23,863 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,334 of 2,555.

Learn more

zone vs. frost date explains why Zone 8a and Nevada City's frost date answer different questions, and the frost range explains how to read the range around Nevada City's dates instead of trusting one.