Nevada City, CA 95944 Frost Dates
Frost dates for Nevada City, CA, ZIP 95944
Around 04/28 is the usual last spring frost, about 243 days away. The first fall frost typically arrives around 10/25, about 178 frost-free days later.
Nevada City sits in USDA Zone 8b (15 to 20°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.
What to do before the first frost
Zone 8b around Nevada City has about 8 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.
Why 04/28 isn't a guarantee
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/13 and you're betting against frost in roughly 9 years out of 10. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Nevada City compares
At roughly 178 frost-free days, Nevada City places 25,720 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,345 of 2,555.
Learn more
zone vs. frost date explains why Zone 8b 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.