Belvidere, NJ 07823 Frost Dates
Frost dates for Belvidere, NJ, ZIP 07823
Typically, the last spring freeze lands around 04/18, roughly 233 days out. The first fall frost typically arrives around 10/25, about 188 frost-free days later.
Belvidere 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.
What to do before the first frost
Zone 7a around Belvidere 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.
The actual range around Belvidere's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Belvidere compares
At roughly 188 frost-free days, Belvidere places 22,056 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 686 of 906.
Learn more
zone vs. frost date explains why Zone 7a and Belvidere's frost date answer different questions, and the frost range explains how to read the range around Belvidere's dates instead of trusting one.