Tunkhannock, PA 18615 Frost Dates
Frost dates for Tunkhannock, PA, ZIP 18615
Around 04/23 is the usual last spring frost, about 238 days away. The first fall frost typically arrives around 10/20, about 178 frost-free days later.
The USDA Plant Hardiness Zone Map puts Tunkhannock in Zone 6b (-5 to 0°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 6b around Tunkhannock has about 8 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.
Why 04/23 isn't a guarantee
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tunkhannock compares
About 178 days separate Tunkhannock's last and first frost, putting it 25,768 of 40,283 ZIP codes nationally. Within PA, it ranks 926 of 2,088.
Learn more
the frost range explains how to read the range around Tunkhannock's dates instead of trusting one, and local microclimates explains what one yard in Tunkhannock can differ from the 18615 normal.