Adair, OK 74330 Frost Dates
When can you plant in Adair, OK?
The last spring frost here typically falls around 04/07, about 222 days from today. The first fall frost typically arrives around 11/02, 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 Adair, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Adair before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Adair's last frost
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/22 and you're betting against frost in roughly 9 years out of 10. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Adair compares
About 209 days separate Adair's last and first frost, putting it 15,351 of 40,283 ZIP codes nationally. Within OK, it ranks 497 of 764.
Learn more
local microclimates covers what one yard in Adair can differ from the 74330 normal. zone vs. frost date covers why Zone 7a and Adair's frost date answer different questions.