FrostDateCheck

Haileyville, OK 74546 Frost Dates

When can you plant in Haileyville, OK?

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 216 frost-free days later.

Haileyville 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

About 10 weeks of growing season left in Haileyville 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

03/31 is the middle of 30 years of NOAA records, not a promise. Plant by 03/11 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Haileyville compares

At roughly 216 frost-free days, Haileyville places 13,865 of 40,283 ZIP codes in this dataset. Within OK, it ranks 339 of 764.

Learn more

the frost range covers how to read the range around Haileyville's dates instead of trusting one. local microclimates covers what one yard in Haileyville can differ from the 74546 normal.