Meridian, OK 73058 Frost Dates
Frost dates for Meridian, OK, ZIP 73058
Typically, the last spring freeze lands around 04/03, roughly 218 days out. The first fall frost typically arrives around 11/01, about 211 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 Meridian, not a forecast for this year.
What to do before the first frost
Zone 7b around Meridian 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.
How much risk comes with planting early here
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/17 and you're betting against frost in roughly 9 years out of 10. 04/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Meridian compares
About 211 days separate Meridian's last and first frost, putting it 14,916 of 40,283 ZIP codes nationally. Within OK, it ranks 460 of 764.
Learn more
zone vs. frost date explains why Zone 7b and Meridian's frost date answer different questions, and the frost range explains how to read the range around Meridian's dates instead of trusting one.