FrostDateCheck

Dibble, OK 73031 Frost Dates

Frost dates for Dibble, OK, ZIP 73031

Zone 7b

Typically, the last spring freeze lands around 03/31, roughly 215 days out. The first fall frost typically arrives around 11/03, about 217 frost-free days later.

Dibble 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 Dibble 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.

The actual range around Dibble's last frost

03/31 is the middle of 30 years of NOAA records, not a promise. Plant by 03/12 and you're betting against frost in roughly 9 years out of 10. 04/17 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Dibble compares

About 217 days separate Dibble's last and first frost, putting it 13,563 of 40,283 ZIP codes nationally. Within OK, it ranks 264 of 764.

Learn more

the frost range explains how to read the range around Dibble's dates instead of trusting one, and local microclimates explains what one yard in Dibble can differ from the 73031 normal.