Marysville, CA 95961 Frost Dates
Frost dates for Marysville, CA, ZIP 95961
The last spring frost here typically falls around 02/11, about 167 days from today. The first fall frost typically arrives around 11/30, about 289 frost-free days later.
The USDA Plant Hardiness Zone Map puts Marysville in Zone 9b (25 to 30°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 9b around Marysville has about 13 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.
The actual range around Marysville's last frost
02/11 is the middle of 30 years of NOAA records, not a promise. Plant by 01/06 and you're betting against frost in roughly 9 years out of 10. 03/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Marysville compares
About 289 days separate Marysville's last and first frost, putting it 4,545 of 40,283 ZIP codes nationally. Within CA, it ranks 1,711 of 2,555.
Learn more
zone vs. frost date explains why Zone 9b and Marysville's frost date answer different questions, and the frost range explains how to read the range around Marysville's dates instead of trusting one.