Jim Thorpe, PA 18229 Frost Dates
Frost dates for Jim Thorpe, PA, ZIP 18229
Around 04/21 is the usual last spring frost, about 236 days away. The first fall frost typically arrives around 10/23, about 184 frost-free days later.
Jim Thorpe sits in USDA Zone 6b (-5 to 0°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 6b around Jim Thorpe 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 04/21 isn't a guarantee
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jim Thorpe compares
About 184 days separate Jim Thorpe's last and first frost, putting it 23,510 of 40,283 ZIP codes nationally. Within PA, it ranks 777 of 2,088.
Learn more
local microclimates explains what one yard in Jim Thorpe can differ from the 18229 normal, and zone vs. frost date explains why Zone 6b and Jim Thorpe's frost date answer different questions.