Kellyville, OK 74039 Frost Dates
Frost dates for Kellyville, OK, ZIP 74039
Around 03/30 is the usual last spring frost, about 214 days away. The first fall frost typically arrives around 11/04, about 220 frost-free days later.
Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Kellyville, not a forecast for this year.
What to do before the first frost
Zone 7b around Kellyville 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 Kellyville's last frost
03/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/10 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 Kellyville compares
About 220 days separate Kellyville's last and first frost, putting it 12,864 of 40,283 ZIP codes nationally. Within OK, it ranks 206 of 764.
Learn more
local microclimates explains what one yard in Kellyville can differ from the 74039 normal, and zone vs. frost date explains why Zone 7b and Kellyville's frost date answer different questions.