Lake Aluma, OK 73189 Frost Dates
Frost dates for Lake Aluma, OK, ZIP 73189
The last spring frost here typically falls around 04/02, about 217 days from today. The first fall frost typically arrives around 11/05, about 217 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 Lake Aluma, not a forecast for this year.
What to do before the first frost
Zone 7b around Lake Aluma 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.
Why 04/02 isn't a guarantee
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/12 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 Lake Aluma compares
At roughly 217 frost-free days, Lake Aluma places 13,653 of 40,283 ZIP codes in this dataset. Within OK, it ranks 294 of 764.
Learn more
local microclimates explains what one yard in Lake Aluma can differ from the 73189 normal, and zone vs. frost date explains why Zone 7b and Lake Aluma's frost date answer different questions.