Williamsburg, KY 40730 Frost Dates
When can you plant in Williamsburg, KY?
Typically, the last spring freeze lands around 04/21, roughly 236 days out. The first fall frost typically arrives around 10/22, about 182 frost-free days later.
Williamsburg 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
About 8 weeks of growing season left in Williamsburg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 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 Williamsburg compares
At roughly 182 frost-free days, Williamsburg places 24,132 of 40,283 ZIP codes in this dataset. Within KY, it ranks 769 of 909.
Learn more
the frost range covers how to read the range around Williamsburg's dates instead of trusting one. local microclimates covers what one yard in Williamsburg can differ from the 40730 normal.