Bethany Beach, DE 19930 Frost Dates
Frost dates for Bethany Beach, DE, ZIP 19930
Typically, the last spring freeze lands around 04/07, roughly 222 days out. The first fall frost typically arrives around 11/02, about 209 frost-free days later.
Bethany Beach sits in USDA Zone 8a (10 to 15°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 8a around Bethany Beach 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 Bethany Beach's last frost
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/24 and you're betting against frost in roughly 9 years out of 10. 04/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bethany Beach compares
At roughly 209 frost-free days, Bethany Beach places 15,324 of 40,283 ZIP codes in this dataset. Within DE, it ranks 77 of 96.
Learn more
zone vs. frost date explains why Zone 8a and Bethany Beach's frost date answer different questions, and the frost range explains how to read the range around Bethany Beach's dates instead of trusting one.