Avis, PA 17721 Frost Dates
When can you plant in Avis, PA?
Typically, the last spring freeze lands around 04/25, roughly 240 days out. The first fall frost typically arrives around 10/19, about 175 frost-free days later.
Zone 6b (-5 to 0°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 Avis, not a forecast for this year.
What to do before the first frost
About 7 weeks of growing season left in Avis before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/25 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 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 Avis compares
At roughly 175 frost-free days, Avis places 27,037 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,196 of 2,088.
Learn more
local microclimates covers what one yard in Avis can differ from the 17721 normal. zone vs. frost date covers why Zone 6b and Avis's frost date answer different questions.