Culpeper, VA 22737 Frost Dates
Frost dates for Culpeper, VA, ZIP 22737
The last spring frost here typically falls around 04/16, about 231 days from today. The first fall frost typically arrives around 10/27, about 192 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 Culpeper, not a forecast for this year.
What to do before the first frost
Zone 7a around Culpeper 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.
Why 04/16 isn't a guarantee
04/16 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. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Culpeper compares
At roughly 192 frost-free days, Culpeper places 20,189 of 40,283 ZIP codes in this dataset. Within VA, it ranks 788 of 1,178.
Learn more
local microclimates explains what one yard in Culpeper can differ from the 22737 normal, and zone vs. frost date explains why Zone 7a and Culpeper's frost date answer different questions.