Rainsburg, PA 17211 Frost Dates
Frost dates for Rainsburg, PA, ZIP 17211
Around 04/23 is the usual last spring frost, about 238 days away. The first fall frost typically arrives around 10/21, about 180 frost-free days later.
Zone 7a (0 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 Rainsburg, not a forecast for this year.
What to do before the first frost
Zone 7a around Rainsburg 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.
The actual range around Rainsburg's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rainsburg compares
At roughly 180 frost-free days, Rainsburg places 25,105 of 40,283 ZIP codes in this dataset. Within PA, it ranks 866 of 2,088.
Learn more
zone vs. frost date explains why Zone 7a and Rainsburg's frost date answer different questions, and the frost range explains how to read the range around Rainsburg's dates instead of trusting one.