FrostDateCheck

Occoquan, VA 22125 Frost Dates

Frost dates for Occoquan, VA, ZIP 22125

Zone 7b

The last spring frost here typically falls around 03/28, about 212 days from today. The first fall frost typically arrives around 11/08, about 226 frost-free days later.

Occoquan sits in USDA Zone 7b (5 to 10°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 7b around Occoquan has about 10 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.

How much risk comes with planting early here

03/28 is the middle of 30 years of NOAA records, not a promise. Plant by 03/14 and you're betting against frost in roughly 9 years out of 10. 04/08 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Occoquan compares

At roughly 226 frost-free days, Occoquan places 11,242 of 40,283 ZIP codes in this dataset. Within VA, it ranks 146 of 1,178.

Learn more

local microclimates explains what one yard in Occoquan can differ from the 22125 normal, and zone vs. frost date explains why Zone 7b and Occoquan's frost date answer different questions.