Oakhaven, AR 71802 Frost Dates
Frost dates for Oakhaven, AR, ZIP 71802
Around 03/26 is the usual last spring frost, about 210 days away. The first fall frost typically arrives around 11/06, about 226 frost-free days later.
Oakhaven sits in USDA Zone 8a (10 to 15°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 8a around Oakhaven 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
03/26 is the middle of 30 years of NOAA records, not a promise. Plant by 03/05 and you're betting against frost in roughly 9 years out of 10. 04/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Oakhaven compares
Oakhaven's growing season runs about 226 days, ranking 11,331 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 321 of 687.
Learn more
local microclimates explains what one yard in Oakhaven can differ from the 71802 normal, and zone vs. frost date explains why Zone 8a and Oakhaven's frost date answer different questions.