FrostDateCheck

Cleo Springs, OK 73729 Frost Dates

Frost dates for Cleo Springs, OK, ZIP 73729

Zone 7a

Around 04/09 is the usual last spring frost, about 224 days away. The first fall frost typically arrives around 10/31, about 205 frost-free days later.

Cleo Springs 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 Cleo Springs 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 Cleo Springs's last frost

04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/25 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 Cleo Springs compares

At roughly 205 frost-free days, Cleo Springs places 16,402 of 40,283 ZIP codes in this dataset. Within OK, it ranks 586 of 764.

Learn more

zone vs. frost date explains why Zone 7a and Cleo Springs's frost date answer different questions, and the frost range explains how to read the range around Cleo Springs's dates instead of trusting one.