New Milford, PA 18820 Frost Dates
Frost dates for New Milford, PA, ZIP 18820
Around 05/14 is the usual last spring frost, about 259 days away. The first fall frost typically arrives around 10/01, about 140 frost-free days later.
Zone 6a (-10 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 New Milford, not a forecast for this year.
What to do before the first frost
Zone 6a around New Milford has about 5 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 New Milford's last frost
05/14 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 05/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Milford compares
About 140 days separate New Milford's last and first frost, putting it 37,085 of 40,283 ZIP codes nationally. Within PA, it ranks 1,995 of 2,088.
Learn more
the frost range explains how to read the range around New Milford's dates instead of trusting one, and local microclimates explains what one yard in New Milford can differ from the 18820 normal.