Wrightstown, NJ 08640 Frost Dates
Frost dates for Wrightstown, NJ, ZIP 08640
The last spring frost here typically falls around 04/15, about 230 days from today. The first fall frost typically arrives around 10/29, about 196 frost-free days later.
Zone 7a (0 to 5°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 Wrightstown, not a forecast for this year.
What to do before the first frost
Zone 7a around Wrightstown has about 9 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 Wrightstown's last frost
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wrightstown compares
At roughly 196 frost-free days, Wrightstown places 19,046 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 475 of 906.
Learn more
local microclimates explains what one yard in Wrightstown can differ from the 08640 normal, and zone vs. frost date explains why Zone 7a and Wrightstown's frost date answer different questions.