Bromide, OK 74535 Frost Dates
Frost dates for Bromide, OK, ZIP 74535
Typically, the last spring freeze lands around 03/31, roughly 215 days out. The first fall frost typically arrives around 11/04, about 219 frost-free days later.
Bromide sits in USDA Zone 7b (5 to 10°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 7b around Bromide 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.
How much risk comes with planting early here
03/31 is the middle of 30 years of NOAA records, not a promise. Plant by 03/09 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bromide compares
Bromide's growing season runs about 219 days, ranking 13,123 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 225 of 764.
Learn more
local microclimates explains what one yard in Bromide can differ from the 74535 normal, and zone vs. frost date explains why Zone 7b and Bromide's frost date answer different questions.