Kittanning, PA 16210 Frost Dates
When can you plant in Kittanning, PA?
Typically, the last spring freeze lands around 05/10, roughly 255 days out. The first fall frost typically arrives around 10/12, about 155 frost-free days later.
Kittanning 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
About 6 weeks of growing season left in Kittanning 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
05/10 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kittanning compares
At roughly 155 frost-free days, Kittanning places 33,968 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,778 of 2,088.
Learn more
zone vs. frost date covers why Zone 6b and Kittanning's frost date answer different questions. the frost range covers how to read the range around Kittanning's dates instead of trusting one.