Miami, OK 74354 Frost Dates
Frost dates for Miami, OK, ZIP 74354
Around 04/06 is the usual last spring frost, about 221 days away. The first fall frost typically arrives around 10/27, about 203 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 Miami, not a forecast for this year.
What to do before the first frost
Zone 7a around Miami 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
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Miami compares
About 203 days separate Miami's last and first frost, putting it 16,867 of 40,283 ZIP codes nationally. Within OK, it ranks 623 of 764.
Learn more
zone vs. frost date explains why Zone 7a and Miami's frost date answer different questions, and the frost range explains how to read the range around Miami's dates instead of trusting one.