Guttenberg, NJ 10211 Frost Dates
Frost dates for Guttenberg, NJ, ZIP 10211
The last spring frost here typically falls around 03/30, about 214 days from today. The first fall frost typically arrives around 11/20, about 236 frost-free days later.
Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Guttenberg, not a forecast for this year.
What to do before the first frost
Zone 7b around Guttenberg has about 12 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 Guttenberg's last frost
03/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/14 and you're betting against frost in roughly 9 years out of 10. 04/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Guttenberg compares
At roughly 236 frost-free days, Guttenberg places 9,389 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 154 of 906.
Learn more
zone vs. frost date explains why Zone 7b and Guttenberg's frost date answer different questions, and the frost range explains how to read the range around Guttenberg's dates instead of trusting one.