Brunswick, NE 68720 Frost Dates
Frost dates for Brunswick, NE, ZIP 68720
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/06, about 158 frost-free days later.
The USDA Plant Hardiness Zone Map puts Brunswick 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 Brunswick 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.
The actual range around Brunswick's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brunswick compares
About 158 days separate Brunswick's last and first frost, putting it 33,164 of 40,283 ZIP codes nationally. Within NE, it ranks 423 of 605.
Learn more
the frost range explains how to read the range around Brunswick's dates instead of trusting one, and local microclimates explains what one yard in Brunswick can differ from the 68720 normal.