Jennings, OK 74038 Frost Dates
Frost dates for Jennings, OK, ZIP 74038
The last spring frost here typically falls around 04/03, about 218 days from today. The first fall frost typically arrives around 10/31, about 209 frost-free days later.
Zone 7a (0 to 5°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 Jennings, not a forecast for this year.
What to do before the first frost
Zone 7a around Jennings 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 Jennings's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jennings compares
Jennings's growing season runs about 209 days, ranking 15,415 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 505 of 764.
Learn more
the frost range explains how to read the range around Jennings's dates instead of trusting one, and local microclimates explains what one yard in Jennings can differ from the 74038 normal.