Auburn, NE 68305 Frost Dates
Frost dates for Auburn, NE, ZIP 68305
Around 04/24 is the usual last spring frost, about 239 days away. The first fall frost typically arrives around 10/10, about 167 frost-free days later.
The USDA Plant Hardiness Zone Map puts Auburn in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 5b around Auburn has about 6 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
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Auburn compares
At roughly 167 frost-free days, Auburn places 29,978 of 40,283 ZIP codes in this dataset. Within NE, it ranks 277 of 605.
Learn more
local microclimates explains what one yard in Auburn can differ from the 68305 normal, and zone vs. frost date explains why Zone 5b and Auburn's frost date answer different questions.