FrostDateCheck

Hamilton, VA 20104 Frost Dates

Frost dates for Hamilton, VA, ZIP 20104

Zone 7a

The last spring frost here typically falls around 04/16, about 231 days from today. The first fall frost typically arrives around 10/25, about 189 frost-free days later.

Hamilton 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 Hamilton 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 Hamilton's last frost

04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Hamilton compares

At roughly 189 frost-free days, Hamilton places 21,687 of 40,283 ZIP codes in this dataset. Within VA, it ranks 885 of 1,178.

Learn more

the frost range explains how to read the range around Hamilton's dates instead of trusting one, and local microclimates explains what one yard in Hamilton can differ from the 20104 normal.